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BOSTON MARATHON 2026

Shannon Chapman

Bib: 25350•M

LA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M70-74)
#0 / 281
Top 32%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
28:13
3.11 mi
Rank: #22984
Start → 5K
28:13 | 9:05/mi
10K
55:47
6.21 mi
Rank: #22624 (+360)
5K → 10K
27:34 | 8:53/mi
15K
1:24:32
9.32 mi
Rank: #22999 (-375)
10K → 15K
28:45 | 9:16/mi
20K
1:52:20
12.43 mi
Rank: #22661 (+338)
15K → 20K
27:48 | 8:57/mi
HALF
1:58:17
13.11 mi
Rank: #22595 (+66)
20K → HALF
5:57 | 8:44/mi
25K
2:20:20
15.53 mi
Rank: #22404 (+191)
HALF → 25K
22:03 | 9:06/mi
30K
2:50:06
18.64 mi
Rank: #22300 (+104)
25K → 30K
29:46 | 9:35/mi
20M
3:03:39
20.00 mi
Rank: #22338 (-38)
30K → 20M
13:33 | 9:59/mi
21M
3:14:14
21.00 mi
Rank: #22340 (-2)
20M → 21M
10:35 | 10:35/mi
35K
3:21:20
21.75 mi
Rank: #22312 (+28)
21M → 35K
7:06 | 9:30/mi
23M
3:33:42
23.00 mi
Rank: #22266 (+46)
35K → 23M
12:22 | 9:53/mi
24M
3:43:25
24.00 mi
Rank: #22253 (+13)
23M → 24M
9:43 | 9:43/mi
40K
3:51:56
24.85 mi
Rank: #22241 (+12)
24M → 40K
8:31 | 9:58/mi
25.2M
3:55:46
25.20 mi
Rank: #22259 (-18)
40K → 25.2M
3:50 | 11:07/mi
FINISH
4:06:27
26.22 mi
Rank: #22380 (-121)
25.2M → FINISH
10:41 | 10:30/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:58:17
Pace9:02 /mi
2nd Half
Distance13.11 mi
Time2:08:10
Pace9:47 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:34:3228:139:0528:13
9:05
-
10K
6.21 mi12:02:0655:478:5927:34
8:53
-0:12
15K
9.32 mi12:30:511:24:329:0528:45
9:16
+0:23
20K
12.43 mi12:58:391:52:209:0327:48
8:57
-0:19
HALF
13.11 mi13:04:361:58:179:025:57
8:44
-0:13
25K
15.53 mi13:26:392:20:209:0322:03
9:06
+0:22
30K
18.64 mi13:56:252:50:069:0829:46
9:35
+0:29
20M
20.00 mi14:09:583:03:399:1113:33
9:59
+0:24
21M
21.00 mi14:20:333:14:149:1510:35
10:35
+0:36
35K
21.75 mi14:27:393:21:209:167:06
9:30
-1:05
23M
23.00 mi14:40:013:33:429:1812:22
9:53
+0:23
24M
24.00 mi14:49:443:43:259:199:43
9:43
-0:10
40K
24.85 mi14:58:153:51:569:208:31
9:58
+0:15
25.2M
25.20 mi15:02:053:55:469:223:50
11:07
+1:09
FINISH
26.22 mi15:12:464:06:279:2510:41
10:30
-0:37

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:44 /mi

Average Pace

9:24 /mi

Slowest Pace

11:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:51:35

45% of race

Time at Steady Pace

1:27:42

36% of race

Time at Slower Pace

47:10

19% of race

Average Pace: 9:24 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:34:3228:139:0528:13
9:05
#22984
10K
6.21 mi12:02:0655:478:5927:34
8:53
#22624
15K
9.32 mi12:30:511:24:329:0528:45
9:16
#22999
20K
12.43 mi12:58:391:52:209:0327:48
8:57
#22661
HALF
13.11 mi13:04:361:58:179:025:57
8:44
#22595
25K
15.53 mi13:26:392:20:209:0322:03
9:06
#22404
30K
18.64 mi13:56:252:50:069:0829:46
9:35
#22300
20M
20.00 mi14:09:583:03:399:1113:33
9:59
#22338
21M
21.00 mi14:20:333:14:149:1510:35
10:35
#22340
35K
21.75 mi14:27:393:21:209:167:06
9:30
#22312
23M
23.00 mi14:40:013:33:429:1812:22
9:53
#22266
24M
24.00 mi14:49:443:43:259:199:43
9:43
#22253
40K
24.85 mi14:58:153:51:569:208:31
9:58
#22241
25.2M
25.20 mi15:02:053:55:469:223:50
11:07
#22259
FINISH
26.22 mi15:12:464:06:279:2510:41
10:30
#22380
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi22984137241372423680(Top 82%)14087(Top 86%)14087(Top 5013%)
10K6.21 mi3.10 mi22624+36013558+16613558+16622272(Top 77%)13385(Top 82%)13385(Top 4763%)
15K9.32 mi3.11 mi22999-37513763-20513763-20523680(Top 82%)14087(Top 86%)14087(Top 5013%)
20K12.43 mi3.11 mi22661+33813592+17113592+17121691(Top 75%)13093(Top 80%)13093(Top 4659%)
HALF13.11 mi0.68 mi22595+6613556+3613556+3621446(Top 74%)13015(Top 80%)13015(Top 4632%)
25K15.53 mi2.42 mi22404+19113451+10513451+10521592(Top 74%)13035(Top 80%)13035(Top 4639%)
30K18.64 mi3.11 mi22300+10413370+8113370+8121898(Top 75%)13094(Top 80%)13094(Top 4660%)
20M20.00 mi1.36 mi22338-3813376-613376-622502(Top 78%)13307(Top 81%)13307(Top 4736%)
21M21.00 mi1.00 mi22340-213364+1213364+1222150(Top 76%)13102(Top 80%)13102(Top 4663%)
35K21.75 mi0.75 mi22312+2813334+3013334+3021725(Top 75%)12833(Top 79%)12833(Top 4567%)
23M23.00 mi1.25 mi22266+4613301+3313301+3321791(Top 75%)12812(Top 78%)12812(Top 4559%)
24M24.00 mi1.00 mi22253+1313277+2413277+2422019(Top 76%)12885(Top 79%)12885(Top 4585%)
40K24.85 mi0.85 mi22241+1213263+1413263+1421808(Top 75%)12720(Top 78%)12720(Top 4527%)
25.2M25.20 mi0.35 mi22259-1813264-113264-122636(Top 78%)13135(Top 80%)13135(Top 4674%)
FINISH26.22 mi1.02 mi22380-12113302-3813302-3825013(Top 86%)14281(Top 87%)14281(Top 5082%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21
+97ft-345ft

Overall

23680

Males

14087

M70-74

14087

5K→10K

3.1 - 6.2 mi

Top 77%
×5
+79ft-138ft

Overall

22272

Males

13385

M70-74

13385

10K→15K

6.2 - 9.3 mi

Top 82%
×3
+67ft-78ft

Overall

23680

Males

14087

M70-74

14087

15K→20K

9.3 - 12.4 mi

Top 75%
×5
+106ft-86ft

Overall

21691

Males

13093

M70-74

13093

20K→HALF

12.4 - 13.1 mi

Top 74%
×2
+19ft-37ft

Overall

21446

Males

13015

M70-74

13015

HALF→25K

13.1 - 15.5 mi

Top 74%
×4
+66ft-88ft

Overall

21592

Males

13035

M70-74

13035

25K→30K

15.5 - 18.6 mi

Top 75%
×9
+181ft-148ft

Overall

21898

Males

13094

M70-74

13094

30K→20M

18.6 - 20.0 mi

Top 78%
×5
+64ft-50ft

Overall

22502

Males

13307

M70-74

13307

20M→21M

20.0 - 21.0 mi

Top 76%
×8
+106ft-24ft

Overall

22150

Males

13102

M70-74

13102

21M→35K

21.0 - 21.8 mi

Top 75%
×7
+17ft-86ft

Overall

21725

Males

12833

M70-74

12833

35K→23M

21.8 - 23.0 mi

Top 75%
×5
+23ft-63ft

Overall

21791

Males

12812

M70-74

12812

23M→24M

23.0 - 24.0 mi

Top 76%
×6
+12ft-82ft

Overall

22019

Males

12885

M70-74

12885

24M→40K

24.0 - 24.9 mi

Top 75%
×1
+6ft-20ft

Overall

21808

Males

12720

M70-74

12720

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1
+13ft-16ft

Overall

22636

Males

13135

M70-74

13135

25.2M→FINISH

25.2 - 26.2 mi

Top 86%
×2
+22ft-21ft

Overall

25013

Males

14281

M70-74

14281

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1875
Passed By
1271
Net Change
+604
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22984
5K → 10K490130+360#22984#22624
10K → 15K62437-375#22624#22999
15K → 20K36224+338#22999#22661
20K → HALF704+66#22661#22595
HALF → 25K22837+191#22595#22404
25K → 30K225121+104#22404#22300
30K → 20M65103-38#22300#22338
20M → 21M7880-2#22338#22340
21M → 35K6133+28#22340#22312
35K → 23M9852+46#22312#22266
23M → 24M6350+13#22266#22253
24M → 40K5139+12#22253#22241
40K → 25.2M1533-18#22241#22259
25.2M → FINISH7128-121#22259#22380
TOTALS18751271+604
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Export & Support

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Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing