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BOSTON MARATHON 2025

Shannon Chappon

Bib: 22956•F

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 42%
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:11
Rank: #17408
Start → 5K
25:11 | 8:06/mi
10K· 6.21 mi
50:52
Rank: #17889 (-481)
5K → 10K
25:41 | 8:16/mi
15K· 9.32 mi
1:17:00
Rank: #18161 (-272)
10K → 15K
26:08 | 8:25/mi
20K· 12.43 mi
1:43:42
Rank: #18276 (-115)
15K → 20K
26:42 | 8:36/mi
Half· 13.11 mi
1:49:27
Rank: #18302 (-26)
20K → Half
5:45 | 8:26/mi
25K· 15.53 mi
2:10:27
Rank: #18243 (+59)
Half → 25K
21:00 | 8:40/mi
30K· 18.64 mi
2:38:30
Rank: #18146 (+97)
25K → 30K
28:03 | 9:02/mi
20M
2:50:54
Rank: #18057 (+89)
30K → 20M
12:24 | 9:07/mi
21M
3:00:34
Rank: #18008 (+49)
20M → 21M
9:40 | 9:40/mi
35K· 21.75 mi
3:07:00
Rank: #17923 (+85)
21M → 35K
6:26 | 8:36/mi
23M
3:18:19
Rank: #17800 (+123)
35K → 23M
11:19 | 9:02/mi
24M
3:27:05
Rank: #17703 (+97)
23M → 24M
8:46 | 8:46/mi
40K· 24.85 mi
3:34:54
Rank: #17680 (+23)
24M → 40K
7:49 | 9:09/mi
25.2M
3:38:14
Rank: #17626 (+54)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:47:04
Rank: #17617 (+9)
25.2M → Finish
8:50 | 8:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:27
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time1:57:37
Pace8:58 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:1925:118:0625:11
8:06
-
10K
6.21 mi11:47:0050:528:1125:41
8:16
+0:10
15K
9.32 mi12:13:081:17:008:1626:08
8:25
+0:09
20K
12.43 mi12:39:501:43:428:2126:42
8:36
+0:11
Half
13.11 mi12:45:351:49:278:215:45
8:26
-0:10
25K
15.53 mi13:06:352:10:278:2421:00
8:40
+0:14
30K
18.64 mi13:34:382:38:308:3028:03
9:02
+0:22
20M
20.00 mi13:47:022:50:548:3312:24
9:07
+0:05
21M
21.00 mi13:56:423:00:348:369:40
9:40
+0:33
35K
21.75 mi14:03:083:07:008:366:26
8:36
-1:04
23M
23.00 mi14:14:273:18:198:3711:19
9:02
+0:26
24M
24.00 mi14:23:133:27:058:388:46
8:46
-0:16
40K
24.85 mi14:31:023:34:548:397:49
9:09
+0:23
25.2M
25.20 mi14:34:223:38:148:403:20
9:40
+0:31
Finish
26.22 mi14:43:123:47:048:408:50
8:40
-1:00

Checkpoints & Pacing

📈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

8:06 /mi

Average Pace

8:40 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:29

68% of race

Time at Steady Pace

59:35

26% of race

Time at Slower Pace

13:00

6% of race

Average Pace: 8:40 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:21:1925:118:0625:11
8:06
#17408
10K
6.21 mi11:47:0050:528:1125:41
8:16
#17889
15K
9.32 mi12:13:081:17:008:1626:08
8:25
#18161
20K
12.43 mi12:39:501:43:428:2126:42
8:36
#18276
Half
13.11 mi12:45:351:49:278:215:45
8:26
#18302
25K
15.53 mi13:06:352:10:278:2421:00
8:40
#18243
30K
18.64 mi13:34:382:38:308:3028:03
9:02
#18146
20M
20.00 mi13:47:022:50:548:3312:24
9:07
#18057
21M
21.00 mi13:56:423:00:348:369:40
9:40
#18008
35K
21.75 mi14:03:083:07:008:366:26
8:36
#17923
23M
23.00 mi14:14:273:18:198:3711:19
9:02
#17800
24M
24.00 mi14:23:133:27:058:388:46
8:46
#17703
40K
24.85 mi14:31:023:34:548:397:49
9:09
#17680
25.2M
25.20 mi14:34:223:38:148:403:20
9:40
#17626
Finish
26.22 mi14:43:123:47:048:408:50
8:40
#17617
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi174085981598118782(Top 66%)6772(Top 55%)6772(Top 374%)
10K6.21 mi3.10 mi17889-4816262-2816262-28118350(Top 65%)6516(Top 53%)6516(Top 359%)
15K9.32 mi3.11 mi18161-2726425-1636425-16318782(Top 66%)6772(Top 55%)6772(Top 374%)
20K12.43 mi3.11 mi18276-1156501-766501-7618815(Top 66%)6802(Top 56%)6802(Top 375%)
Half13.11 mi0.68 mi18302-266519-186519-1818766(Top 66%)6760(Top 55%)6760(Top 373%)
25K15.53 mi2.42 mi18243+596495+246495+2418161(Top 64%)6512(Top 53%)6512(Top 359%)
30K18.64 mi3.11 mi18146+976479+166479+1617831(Top 63%)6490(Top 53%)6490(Top 358%)
20M20.00 mi1.36 mi18057+896457+226457+2217450(Top 61%)6395(Top 52%)6395(Top 353%)
21M21.00 mi1.00 mi18008+496436+216436+2116894(Top 59%)6204(Top 51%)6204(Top 342%)
35K21.75 mi0.75 mi17923+856396+406396+4016105(Top 57%)5848(Top 48%)5848(Top 323%)
23M23.00 mi1.25 mi17800+1236383+136383+1316504(Top 58%)6175(Top 50%)6175(Top 341%)
24M24.00 mi1.00 mi17703+976364+196364+1916155(Top 57%)6024(Top 49%)6024(Top 332%)
40K24.85 mi0.85 mi17680+236380-166380-1617105(Top 60%)6636(Top 54%)6636(Top 366%)
25.2M25.20 mi0.35 mi17626+546358+226358+2215514(Top 55%)5838(Top 48%)5838(Top 322%)
Finish26.22 mi1.02 mi17617+96372-146372-1417305(Top 61%)6708(Top 55%)6708(Top 370%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

18782

Females

6772

F45-49

6772

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

18350

Females

6516

F45-49

6516

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

18782

Females

6772

F45-49

6772

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

18815

Females

6802

F45-49

6802

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

18766

Females

6760

F45-49

6760

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

18161

Females

6512

F45-49

6512

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

17831

Females

6490

F45-49

6490

30K→20M

18.6 - 20.0 mi

Top 61%
×5stories
+64ft-50ft

Overall

17450

Females

6395

F45-49

6395

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

16894

Females

6204

F45-49

6204

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

16105

Females

5848

F45-49

5848

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

16504

Females

6175

F45-49

6175

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

16155

Females

6024

F45-49

6024

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

17105

Females

6636

F45-49

6636

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15514

Females

5838

F45-49

5838

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

17305

Females

6708

F45-49

6708

Passing Analysis

Category:
Athletes Passed
1776
Passed By
1985
Net Change
-209
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17408
5K → 10K127608-481#17408#17889
10K → 15K103375-272#17889#18161
15K → 20K158273-115#18161#18276
20K → Half2652-26#18276#18302
Half → 25K196137+59#18302#18243
25K → 30K294197+97#18243#18146
30K → 20M16273+89#18146#18057
20M → 21M11263+49#18057#18008
21M → 35K10015+85#18008#17923
35K → 23M16946+123#17923#17800
23M → 24M12932+97#17800#17703
24M → 40K7552+23#17703#17680
40K → 25.2M617+54#17680#17626
25.2M → Finish6455+9#17626#17617
TOTALS17761985-209
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing