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BOSTON MARATHON 2026

Jeff Monson

Bib: 13578•M

UT

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0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M50-54)
#0 / 1868
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
23:14
3.11 mi
Rank: #12581
Start → 5K
23:14 | 7:29/mi
10K
47:02
6.21 mi
Rank: #13445 (-864)
5K → 10K
23:48 | 7:40/mi
15K
1:11:31
9.32 mi
Rank: #14303 (-858)
10K → 15K
24:29 | 7:53/mi
20K
1:35:50
12.43 mi
Rank: #14400 (-97)
15K → 20K
24:19 | 7:50/mi
HALF
1:41:23
13.11 mi
Rank: #14608 (-208)
20K → HALF
5:33 | 8:09/mi
25K
2:02:42
15.53 mi
Rank: #15757 (-1149)
HALF → 25K
21:19 | 8:48/mi
30K
2:33:38
18.64 mi
Rank: #17648 (-1891)
25K → 30K
30:56 | 9:58/mi
20M
2:46:38
20.00 mi
Rank: #17969 (-321)
30K → 20M
13:00 | 9:35/mi
21M
2:57:03
21.00 mi
Rank: #18257 (-288)
20M → 21M
10:25 | 10:25/mi
35K
3:03:24
21.75 mi
Rank: #18228 (+29)
21M → 35K
6:21 | 8:30/mi
23M
3:14:31
23.00 mi
Rank: #18203 (+25)
35K → 23M
11:07 | 8:53/mi
24M
3:23:46
24.00 mi
Rank: #18312 (-109)
23M → 24M
9:15 | 9:15/mi
40K
3:32:01
24.85 mi
Rank: #18447 (-135)
24M → 40K
8:15 | 9:39/mi
25.2M
3:35:35
25.20 mi
Rank: #18483 (-36)
40K → 25.2M
3:34 | 10:21/mi
FINISH
3:44:58
26.22 mi
Rank: #18622 (-139)
25.2M → FINISH
9:23 | 9:13/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:41:23
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time2:03:35
Pace9:26 /mi
📊Positive Split: 21.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1423:147:2923:14
7:29
-
10K
6.21 mi11:16:0247:027:3523:48
7:40
+0:11
15K
9.32 mi11:40:311:11:317:4124:29
7:53
+0:13
20K
12.43 mi12:04:501:35:507:4324:19
7:50
-0:03
HALF
13.11 mi12:10:231:41:237:455:33
8:09
+0:19
25K
15.53 mi12:31:422:02:427:5421:19
8:48
+0:39
30K
18.64 mi13:02:382:33:388:1530:56
9:58
+1:10
20M
20.00 mi13:15:382:46:388:2013:00
9:35
-0:23
21M
21.00 mi13:26:032:57:038:2610:25
10:25
+0:50
35K
21.75 mi13:32:243:03:248:266:21
8:30
-1:55
23M
23.00 mi13:43:313:14:318:2811:07
8:53
+0:23
24M
24.00 mi13:52:463:23:468:309:15
9:15
+0:22
40K
24.85 mi14:01:013:32:018:328:15
9:39
+0:24
25.2M
25.20 mi14:04:353:35:358:343:34
10:21
+0:42
FINISH
26.22 mi14:13:583:44:588:369:23
9:13
-1:08

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

7:29 /mi

Average Pace

8:35 /mi

Slowest Pace

10:25 /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

1:41:23

45% of race

Time at Steady Pace

57:25

26% of race

Time at Slower Pace

1:06:10

29% of race

Average Pace: 8:35 /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 mi10:52:1423:147:2923:14
7:29
#12581
10K
6.21 mi11:16:0247:027:3523:48
7:40
#13445
15K
9.32 mi11:40:311:11:317:4124:29
7:53
#14303
20K
12.43 mi12:04:501:35:507:4324:19
7:50
#14400
HALF
13.11 mi12:10:231:41:237:455:33
8:09
#14608
25K
15.53 mi12:31:422:02:427:5421:19
8:48
#15757
30K
18.64 mi13:02:382:33:388:1530:56
9:58
#17648
20M
20.00 mi13:15:382:46:388:2013:00
9:35
#17969
21M
21.00 mi13:26:032:57:038:2610:25
10:25
#18257
35K
21.75 mi13:32:243:03:248:266:21
8:30
#18228
23M
23.00 mi13:43:313:14:318:2811:07
8:53
#18203
24M
24.00 mi13:52:463:23:468:309:15
9:15
#18312
40K
24.85 mi14:01:013:32:018:328:15
9:39
#18447
25.2M
25.20 mi14:04:353:35:358:343:34
10:21
#18483
FINISH
26.22 mi14:13:583:44:588:369:23
9:13
#18622
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi125819299929916015(Top 55%)10603(Top 65%)10603(Top 568%)
10K6.21 mi3.10 mi13445-8649622-3239622-32314413(Top 50%)10010(Top 61%)10010(Top 536%)
15K9.32 mi3.11 mi14303-8589940-3189940-31816015(Top 55%)10603(Top 65%)10603(Top 568%)
20K12.43 mi3.11 mi14400-979968-289968-2814737(Top 51%)10041(Top 61%)10041(Top 538%)
HALF13.11 mi0.68 mi14608-20810059-9110059-9118018(Top 62%)11471(Top 70%)11471(Top 614%)
25K15.53 mi2.42 mi15757-114910469-41010469-41020170(Top 70%)12338(Top 76%)12338(Top 660%)
30K18.64 mi3.11 mi17648-189111250-78111250-78122994(Top 79%)13613(Top 83%)13613(Top 729%)
20M20.00 mi1.36 mi17969-32111351-10111351-10121315(Top 73%)12722(Top 78%)12722(Top 681%)
21M21.00 mi1.00 mi18257-28811451-10011451-10021704(Top 75%)12877(Top 79%)12877(Top 689%)
35K21.75 mi0.75 mi18228+2911434+1711434+1717492(Top 60%)10811(Top 66%)10811(Top 579%)
23M23.00 mi1.25 mi18203+2511398+3611398+3617892(Top 62%)10926(Top 67%)10926(Top 585%)
24M24.00 mi1.00 mi18312-10911434-3611434-3620435(Top 70%)12093(Top 74%)12093(Top 647%)
40K24.85 mi0.85 mi18447-13511478-4411478-4420874(Top 72%)12282(Top 75%)12282(Top 657%)
25.2M25.20 mi0.35 mi18483-3611492-1411492-1420525(Top 71%)12099(Top 74%)12099(Top 648%)
FINISH26.22 mi1.02 mi18622-13911526-3411526-3421310(Top 73%)12500(Top 76%)12500(Top 669%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21
+97ft-345ft

Overall

16015

Males

10603

M50-54

10603

5K→10K

3.1 - 6.2 mi

Top 50%
×5
+79ft-138ft

Overall

14413

Males

10010

M50-54

10010

10K→15K

6.2 - 9.3 mi

Top 55%
×3
+67ft-78ft

Overall

16015

Males

10603

M50-54

10603

15K→20K

9.3 - 12.4 mi

Top 51%
×5
+106ft-86ft

Overall

14737

Males

10041

M50-54

10041

20K→HALF

12.4 - 13.1 mi

Top 62%
×2
+19ft-37ft

Overall

18018

Males

11471

M50-54

11471

HALF→25K

13.1 - 15.5 mi

Top 70%
×4
+66ft-88ft

Overall

20170

Males

12338

M50-54

12338

25K→30K

15.5 - 18.6 mi

Top 79%
×9
+181ft-148ft

Overall

22994

Males

13613

M50-54

13613

30K→20M

18.6 - 20.0 mi

Top 73%
×5
+64ft-50ft

Overall

21315

Males

12722

M50-54

12722

20M→21M

20.0 - 21.0 mi

Top 75%
×8
+106ft-24ft

Overall

21704

Males

12877

M50-54

12877

21M→35K

21.0 - 21.8 mi

Top 60%
×7
+17ft-86ft

Overall

17492

Males

10811

M50-54

10811

35K→23M

21.8 - 23.0 mi

Top 62%
×5
+23ft-63ft

Overall

17892

Males

10926

M50-54

10926

23M→24M

23.0 - 24.0 mi

Top 70%
×6
+12ft-82ft

Overall

20435

Males

12093

M50-54

12093

24M→40K

24.0 - 24.9 mi

Top 72%
×1
+6ft-20ft

Overall

20874

Males

12282

M50-54

12282

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1
+13ft-16ft

Overall

20525

Males

12099

M50-54

12099

25.2M→FINISH

25.2 - 26.2 mi

Top 73%
×2
+22ft-21ft

Overall

21310

Males

12500

M50-54

12500

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
605
Passed By
6646
Net Change
-6041
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12581
5K → 10K50914-864#12581#13445
10K → 15K46904-858#13445#14303
15K → 20K127224-97#14303#14400
20K → HALF3211-208#14400#14608
HALF → 25K201169-1149#14608#15757
25K → 30K181909-1891#15757#17648
30K → 20M32353-321#17648#17969
20M → 21M23311-288#17969#18257
21M → 35K6132+29#18257#18228
35K → 23M10782+25#18228#18203
23M → 24M30139-109#18203#18312
24M → 40K28163-135#18312#18447
40K → 25.2M2460-36#18447#18483
25.2M → FINISH36175-139#18483#18622
TOTALS6056646-6041
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing