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BOSTON MARATHON 2025

Ann Sexton

Bib: 16178•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 33%
Gender (Female)
#0 / 12228
Top 16%
Division (F18-39)
#0 / 5469
Top 28%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:00
Rank: #11362
Start → 5K
23:00 | 7:24/mi
10K· 6.21 mi
46:40
Rank: #12226 (-864)
5K → 10K
23:40 | 7:37/mi
15K· 9.32 mi
1:10:17
Rank: #12336 (-110)
10K → 15K
23:37 | 7:36/mi
20K· 12.43 mi
1:33:48
Rank: #12064 (+272)
15K → 20K
23:31 | 7:34/mi
Half· 13.11 mi
1:38:48
Rank: #11958 (+106)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:56:47
Rank: #11485 (+473)
Half → 25K
17:59 | 7:25/mi
30K· 18.64 mi
2:20:02
Rank: #10688 (+797)
25K → 30K
23:15 | 7:29/mi
20M
2:30:15
Rank: #10362 (+326)
30K → 20M
10:13 | 7:31/mi
21M
2:38:13
Rank: #10124 (+238)
20M → 21M
7:58 | 7:58/mi
35K· 21.75 mi
2:43:26
Rank: #9874 (+250)
21M → 35K
5:13 | 6:58/mi
23M
2:52:47
Rank: #9609 (+265)
35K → 23M
9:21 | 7:28/mi
24M
3:00:02
Rank: #9393 (+216)
23M → 24M
7:15 | 7:15/mi
40K· 24.85 mi
3:06:32
Rank: #9288 (+105)
24M → 40K
6:30 | 7:36/mi
25.2M
3:09:29
Rank: #9262 (+26)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:17:20
Rank: #9314 (-52)
25.2M → Finish
7:51 | 7:42/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:38:48
Pace7:32 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:38:32
Pace7:31 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:2523:007:2423:00
7:24
-
10K
6.21 mi11:20:0546:407:3123:40
7:37
+0:13
15K
9.32 mi11:43:421:10:177:3223:37
7:36
-0:01
20K
12.43 mi12:07:131:33:487:3323:31
7:34
-0:02
Half
13.11 mi12:12:131:38:487:325:00
7:20
-0:14
25K
15.53 mi12:30:121:56:477:3117:59
7:25
+0:05
30K
18.64 mi12:53:272:20:027:3123:15
7:29
+0:04
20M
20.00 mi13:03:402:30:157:3110:13
7:31
+0:02
21M
21.00 mi13:11:382:38:137:327:58
7:58
+0:27
35K
21.75 mi13:16:512:43:267:315:13
6:58
-1:00
23M
23.00 mi13:26:122:52:477:319:21
7:28
+0:30
24M
24.00 mi13:33:273:00:027:307:15
7:15
-0:13
40K
24.85 mi13:39:573:06:327:306:30
7:36
+0:21
25.2M
25.20 mi13:42:543:09:297:312:57
8:33
+0:57
Finish
26.22 mi13:50:453:17:207:327:51
7:42
-0:51

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

6:58 /mi

Average Pace

7:32 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

17:28

9% of race

Time at Steady Pace

2:41:06

82% of race

Time at Slower Pace

18:46

10% of race

Average Pace: 7:32 /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 mi10:56:2523:007:2423:00
7:24
#11362
10K
6.21 mi11:20:0546:407:3123:40
7:37
#12226
15K
9.32 mi11:43:421:10:177:3223:37
7:36
#12336
20K
12.43 mi12:07:131:33:487:3323:31
7:34
#12064
Half
13.11 mi12:12:131:38:487:325:00
7:20
#11958
25K
15.53 mi12:30:121:56:477:3117:59
7:25
#11485
30K
18.64 mi12:53:272:20:027:3123:15
7:29
#10688
20M
20.00 mi13:03:402:30:157:3110:13
7:31
#10362
21M
21.00 mi13:11:382:38:137:327:58
7:58
#10124
35K
21.75 mi13:16:512:43:267:315:13
6:58
#9874
23M
23.00 mi13:26:122:52:477:319:21
7:28
#9609
24M
24.00 mi13:33:273:00:027:307:15
7:15
#9393
40K
24.85 mi13:39:573:06:327:306:30
7:36
#9288
25.2M
25.20 mi13:42:543:09:297:312:57
8:33
#9262
Finish
26.22 mi13:50:453:17:207:327:51
7:42
#9314
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi113622464246412601(Top 44%)3213(Top 26%)3213(Top 59%)
10K6.21 mi3.10 mi12226-8642924-4602924-46013177(Top 46%)3471(Top 28%)3471(Top 63%)
15K9.32 mi3.11 mi12336-1103017-933017-9312601(Top 44%)3213(Top 26%)3213(Top 59%)
20K12.43 mi3.11 mi12064+2722903+1142903+11411343(Top 40%)2647(Top 22%)2647(Top 48%)
Half13.11 mi0.68 mi11958+1062853+502853+5010307(Top 36%)2087(Top 17%)2087(Top 38%)
25K15.53 mi2.42 mi11485+4732641+2122641+2129307(Top 33%)1778(Top 15%)1778(Top 33%)
30K18.64 mi3.11 mi10688+7972300+3412300+3417656(Top 27%)1259(Top 10%)1259(Top 23%)
20M20.00 mi1.36 mi10362+3262180+1202180+1207167(Top 25%)1214(Top 10%)1214(Top 22%)
21M21.00 mi1.00 mi10124+2382097+832097+837203(Top 25%)1392(Top 11%)1392(Top 25%)
35K21.75 mi0.75 mi9874+2501997+1001997+1005245(Top 18%)702(Top 6%)702(Top 13%)
23M23.00 mi1.25 mi9609+2651911+861911+866487(Top 23%)1195(Top 10%)1195(Top 22%)
24M24.00 mi1.00 mi9393+2161846+651846+656167(Top 22%)1143(Top 9%)1143(Top 21%)
40K24.85 mi0.85 mi9288+1051838+81838+87467(Top 26%)1745(Top 14%)1745(Top 32%)
25.2M25.20 mi0.35 mi9262+261847-91847-99146(Top 32%)2583(Top 21%)2583(Top 47%)
Finish26.22 mi1.02 mi9314-521900-531900-5310731(Top 38%)3325(Top 27%)3325(Top 61%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

12601

Females

3213

F18-39

3213

5K→10K

3.1 - 6.2 mi

Top 46%
×5stories
+79ft-138ft

Overall

13177

Females

3471

F18-39

3471

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

12601

Females

3213

F18-39

3213

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

11343

Females

2647

F18-39

2647

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

10307

Females

2087

F18-39

2087

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

9307

Females

1778

F18-39

1778

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7656

Females

1259

F18-39

1259

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

7167

Females

1214

F18-39

1214

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

7203

Females

1392

F18-39

1392

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

5245

Females

702

F18-39

702

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

6487

Females

1195

F18-39

1195

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6167

Females

1143

F18-39

1143

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7467

Females

1745

F18-39

1745

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9146

Females

2583

F18-39

2583

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

10731

Females

3325

F18-39

3325

Passing Analysis

Category:
Athletes Passed
3477*
Passed By
1429
Net Change
+2048
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11362
5K → 10K50914-864#11362#12226
10K → 15K152262-110#12226#12336
15K → 20K33361+272#12336#12064
20K → Half1115+106#12064#11958
Half → 25K4807+473#11958#11485
25K → 30K8036+797#11485#10688
30K → 20M3315+326#10688#10362
20M → 21M2446+238#10362#10124
21M → 35K251*1+250#10124#9874
35K → 23M2716+265#9874#9609
23M → 24M2171+216#9609#9393
24M → 40K13530+105#9393#9288
40K → 25.2M4822+26#9288#9262
25.2M → Finish51103-52#9262#9314
TOTALS3477*1429+2048

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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