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BOSTON MARATHON 2025

Abby Stemper

Bib: 17045•F

AK

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 26%
Gender (Female)
#0 / 12228
Top 9%
Division (F18-39)
#0 / 5469
Top 17%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:53
Rank: #11008
Start → 5K
22:53 | 7:22/mi
10K· 6.21 mi
45:14
Rank: #10174 (+834)
5K → 10K
22:21 | 7:12/mi
15K· 9.32 mi
1:07:35
Rank: #9757 (+417)
10K → 15K
22:21 | 7:12/mi
20K· 12.43 mi
1:29:50
Rank: #9242 (+515)
15K → 20K
22:15 | 7:10/mi
Half· 13.11 mi
1:34:42
Rank: #9205 (+37)
20K → Half
4:52 | 7:08/mi
25K· 15.53 mi
1:52:15
Rank: #8918 (+287)
Half → 25K
17:33 | 7:14/mi
30K· 18.64 mi
2:15:04
Rank: #8396 (+522)
25K → 30K
22:49 | 7:21/mi
20M
2:24:59
Rank: #8121 (+275)
30K → 20M
9:55 | 7:18/mi
21M
2:32:30
Rank: #7840 (+281)
20M → 21M
7:31 | 7:31/mi
35K· 21.75 mi
2:37:46
Rank: #7706 (+134)
21M → 35K
5:16 | 7:02/mi
23M
2:47:05
Rank: #7563 (+143)
35K → 23M
9:19 | 7:26/mi
24M
2:54:24
Rank: #7466 (+97)
23M → 24M
7:19 | 7:19/mi
40K· 24.85 mi
3:00:52
Rank: #7413 (+53)
24M → 40K
6:28 | 7:34/mi
25.2M
3:03:43
Rank: #7384 (+29)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:11:09
Rank: #7364 (+20)
25.2M → Finish
7:26 | 7:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:42
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:36:27
Pace7:21 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:0722:537:2222:53
7:22
-
10K
6.21 mi11:35:2845:147:1722:21
7:12
-0:10
15K
9.32 mi11:57:491:07:357:1522:21
7:12
0:00
20K
12.43 mi12:20:041:29:507:1422:15
7:10
-0:02
Half
13.11 mi12:24:561:34:427:134:52
7:08
-0:02
25K
15.53 mi12:42:291:52:157:1417:33
7:14
+0:06
30K
18.64 mi13:05:182:15:047:1522:49
7:21
+0:07
20M
20.00 mi13:15:132:24:597:159:55
7:18
-0:03
21M
21.00 mi13:22:442:32:307:167:31
7:31
+0:13
35K
21.75 mi13:28:002:37:467:155:16
7:02
-0:29
23M
23.00 mi13:37:192:47:057:169:19
7:26
+0:24
24M
24.00 mi13:44:382:54:247:167:19
7:19
-0:07
40K
24.85 mi13:51:063:00:527:176:28
7:34
+0:15
25.2M
25.20 mi13:53:573:03:437:172:51
8:16
+0:42
Finish
26.22 mi14:01:233:11:097:187:26
7:18
-0:58

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

7:02 /mi

Average Pace

7:18 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:18

99% of race

Time at Steady Pace

2:51

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:17 /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 mi11:13:0722:537:2222:53
7:22
#11008
10K
6.21 mi11:35:2845:147:1722:21
7:12
#10174
15K
9.32 mi11:57:491:07:357:1522:21
7:12
#9757
20K
12.43 mi12:20:041:29:507:1422:15
7:10
#9242
Half
13.11 mi12:24:561:34:427:134:52
7:08
#9205
25K
15.53 mi12:42:291:52:157:1417:33
7:14
#8918
30K
18.64 mi13:05:182:15:047:1522:49
7:21
#8396
20M
20.00 mi13:15:132:24:597:159:55
7:18
#8121
21M
21.00 mi13:22:442:32:307:167:31
7:31
#7840
35K
21.75 mi13:28:002:37:467:155:16
7:02
#7706
23M
23.00 mi13:37:192:47:057:169:19
7:26
#7563
24M
24.00 mi13:44:382:54:247:167:19
7:19
#7466
40K
24.85 mi13:51:063:00:527:176:28
7:34
#7413
25.2M
25.20 mi13:53:573:03:437:172:51
8:16
#7384
Finish
26.22 mi14:01:233:11:097:187:26
7:18
#7364
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi11008228322839073(Top 32%)1454(Top 12%)1454(Top 27%)
10K6.21 mi3.10 mi10174+8341892+3911892+3919442(Top 33%)1571(Top 13%)1571(Top 29%)
15K9.32 mi3.11 mi9757+4171719+1731719+1739073(Top 32%)1454(Top 12%)1454(Top 27%)
20K12.43 mi3.11 mi9242+5151519+2001519+2007914(Top 28%)1076(Top 9%)1076(Top 20%)
Half13.11 mi0.68 mi9205+371509+101509+108591(Top 30%)1312(Top 11%)1312(Top 24%)
25K15.53 mi2.42 mi8918+2871407+1021407+1027910(Top 28%)1178(Top 10%)1178(Top 22%)
30K18.64 mi3.11 mi8396+5221256+1511256+1516731(Top 24%)912(Top 7%)912(Top 17%)
20M20.00 mi1.36 mi8121+2751189+671189+675809(Top 20%)737(Top 6%)737(Top 13%)
21M21.00 mi1.00 mi7840+2811115+741115+744730(Top 17%)548(Top 4%)548(Top 10%)
35K21.75 mi0.75 mi7706+1341084+311084+315692(Top 20%)827(Top 7%)827(Top 15%)
23M23.00 mi1.25 mi7563+1431082+21082+26320(Top 22%)1138(Top 9%)1138(Top 21%)
24M24.00 mi1.00 mi7466+971084-21084-26536(Top 23%)1270(Top 10%)1270(Top 23%)
40K24.85 mi0.85 mi7413+531092-81092-87197(Top 25%)1627(Top 13%)1627(Top 30%)
25.2M25.20 mi0.35 mi7384+291096-41096-47491(Top 26%)1831(Top 15%)1831(Top 33%)
Finish26.22 mi1.02 mi7364+201115-191115-197761(Top 27%)1959(Top 16%)1959(Top 36%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

9073

Females

1454

F18-39

1454

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

9442

Females

1571

F18-39

1571

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

9073

Females

1454

F18-39

1454

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7914

Females

1076

F18-39

1076

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

8591

Females

1312

F18-39

1312

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7910

Females

1178

F18-39

1178

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6731

Females

912

F18-39

912

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5809

Females

737

F18-39

737

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4730

Females

548

F18-39

548

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5692

Females

827

F18-39

827

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

6320

Females

1138

F18-39

1138

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6536

Females

1270

F18-39

1270

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7197

Females

1627

F18-39

1627

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7491

Females

1831

F18-39

1831

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7761

Females

1959

F18-39

1959

Passing Analysis

Category:
Athletes Passed
3946*
Passed By
302
Net Change
+3644
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11008
5K → 10K87440+834#11008#10174
10K → 15K449*32+417#10174#9757
15K → 20K5227+515#9757#9242
20K → Half5215+37#9242#9205
Half → 25K30922+287#9205#8918
25K → 30K53917+522#8918#8396
30K → 20M2750+275#8396#8121
20M → 21M2832+281#8121#7840
21M → 35K1384+134#7840#7706
35K → 23M17431+143#7706#7563
23M → 24M11720+97#7563#7466
24M → 40K10047+53#7466#7413
40K → 25.2M4011+29#7413#7384
25.2M → Finish7454+20#7384#7364
TOTALS3946*302+3644

* 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