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BOSTON MARATHON 2025

Kirsten Allan

Bib: 12504•F

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 25%
Gender (Female)
#0 / 12228
Top 9%
Division (F18-39)
#0 / 5469
Top 16%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:19/mi
22:44
↑ 97↓ 3451.5%
10K· 6.21 mi
7:21/mi
45:34
↑ 79↓ 1380.4%
15K· 9.32 mi
7:21/mi
1:08:25
↑ 67↓ 78
20K· 12.43 mi
7:23/mi
1:31:21
↑ 106↓ 860.1%
Half· 13.11 mi
7:20/mi
1:36:21
↑ 19↓ 370.5%
25K· 15.53 mi
7:14/mi
1:53:54
↑ 66↓ 880.2%
30K· 18.64 mi
7:25/mi
2:16:58
↑ 181↓ 1480.2%
20M
7:10/mi
2:26:43
↑ 64↓ 500.2%
21M
7:34/mi
2:34:17
↑ 106↓ 241.6%
35K· 21.75 mi
6:57/mi
2:39:29
↑ 17↓ 861.7%
23M
7:09/mi
2:48:26
↑ 23↓ 630.6%
24M
6:57/mi
2:55:23
↓ 821.3%
40K· 24.85 mi
7:06/mi
3:01:27
↓ 200.3%
25.2M
7:24/mi
3:04:00
↑ 13↓ 160.2%
Finish· 26.22 mi
6:29/mi
3:10:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:36:21
Pace7:21 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:34:15
Pace7:11 /mi
📊Negative Split: 2.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2522:447:1922:44
7:19
-
10K
6.21 mi11:13:1545:347:2022:50
7:21
+0:02
15K
9.32 mi11:36:061:08:257:2022:51
7:21
0:00
20K
12.43 mi11:59:021:31:217:2122:56
7:23
+0:02
Half
13.11 mi12:04:021:36:217:215:00
7:20
-0:03
25K
15.53 mi12:21:351:53:547:2017:33
7:14
-0:06
30K
18.64 mi12:44:392:16:587:2123:04
7:25
+0:11
20M
20.00 mi12:54:242:26:437:209:45
7:10
-0:15
21M
21.00 mi13:01:582:34:177:217:34
7:34
+0:24
35K
21.75 mi13:07:102:39:297:205:12
6:57
-0:37
23M
23.00 mi13:16:072:48:267:198:57
7:09
+0:12
24M
24.00 mi13:23:042:55:237:186:57
6:57
-0:12
40K
24.85 mi13:29:083:01:277:186:04
7:06
+0:09
25.2M
25.20 mi13:31:413:04:007:182:33
7:24
+0:18
Finish
26.22 mi13:38:173:10:367:166:36
6:29
-0:55

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

6:29 /mi

Average Pace

7:16 /mi

Slowest Pace

7:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

24:49

13% of race

Time at Steady Pace

2:45:47

87% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:16 /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 mi10:50:2522:447:1922:44
7:19
#10541
10K
6.21 mi11:13:1545:347:2022:50
7:21
#10615
15K
9.32 mi11:36:061:08:257:2022:51
7:21
#10570
20K
12.43 mi11:59:021:31:217:2122:56
7:23
#10317
Half
13.11 mi12:04:021:36:217:215:00
7:20
#10294
25K
15.53 mi12:21:351:53:547:2017:33
7:14
#9846
30K
18.64 mi12:44:392:16:587:2123:04
7:25
#9258
20M
20.00 mi12:54:242:26:437:209:45
7:10
#8832
21M
21.00 mi13:01:582:34:177:217:34
7:34
#8522
35K
21.75 mi13:07:102:39:297:205:12
6:57
#8338
23M
23.00 mi13:16:072:48:267:198:57
7:09
#8003
24M
24.00 mi13:23:042:55:237:186:57
6:57
#7775
40K
24.85 mi13:29:083:01:277:186:04
7:06
#7586
25.2M
25.20 mi13:31:413:04:007:182:33
7:24
#7482
Finish
26.22 mi13:38:173:10:367:166:36
6:29
#7225
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi105412049204910453(Top 37%)2088(Top 17%)2088(Top 38%)
10K6.21 mi3.10 mi10615-742115-662115-6610742(Top 38%)2173(Top 18%)2173(Top 40%)
15K9.32 mi3.11 mi10570+452106+92106+910453(Top 37%)2088(Top 17%)2088(Top 38%)
20K12.43 mi3.11 mi10317+2532017+892017+899736(Top 34%)1834(Top 15%)1834(Top 34%)
Half13.11 mi0.68 mi10294+232014+32014+310277(Top 36%)2057(Top 17%)2057(Top 38%)
25K15.53 mi2.42 mi9846+4481833+1811833+1817907(Top 28%)1175(Top 10%)1175(Top 21%)
30K18.64 mi3.11 mi9258+5881621+2121621+2127210(Top 25%)1097(Top 9%)1097(Top 20%)
20M20.00 mi1.36 mi8832+4261469+1521469+1525100(Top 18%)537(Top 4%)537(Top 10%)
21M21.00 mi1.00 mi8522+3101376+931376+934970(Top 17%)610(Top 5%)610(Top 11%)
35K21.75 mi0.75 mi8338+1841322+541322+545110(Top 18%)642(Top 5%)642(Top 12%)
23M23.00 mi1.25 mi8003+3351239+831239+834621(Top 16%)566(Top 5%)566(Top 10%)
24M24.00 mi1.00 mi7775+2281190+491190+494399(Top 15%)558(Top 5%)558(Top 10%)
40K24.85 mi0.85 mi7586+1891155+351155+354496(Top 16%)643(Top 5%)643(Top 12%)
25.2M25.20 mi0.35 mi7482+1041136+191136+193035(Top 11%)338(Top 3%)338(Top 6%)
Finish26.22 mi1.02 mi7225+2571059+771059+772746(Top 10%)276(Top 2%)276(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

10453

Females

2088

F18-39

2088

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

10742

Females

2173

F18-39

2173

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

10453

Females

2088

F18-39

2088

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9736

Females

1834

F18-39

1834

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

10277

Females

2057

F18-39

2057

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

7907

Females

1175

F18-39

1175

25K→30K

15.5 - 18.6 mi

Top 25%
×9story building
+181ft-148ft

Overall

7210

Females

1097

F18-39

1097

30K→20M

18.6 - 20.0 mi

Top 18%
×5story building
+64ft-50ft

Overall

5100

Females

537

F18-39

537

20M→21M

20.0 - 21.0 mi

Top 17%
×8story building
+106ft-24ft

Overall

4970

Females

610

F18-39

610

21M→35K

21.0 - 21.8 mi

Top 18%
×7story building
+17ft-86ft

Overall

5110

Females

642

F18-39

642

35K→23M

21.8 - 23.0 mi

Top 16%
×5story building
+23ft-63ft

Overall

4621

Females

566

F18-39

566

23M→24M

23.0 - 24.0 mi

Top 15%
×6story building
+12ft-82ft

Overall

4399

Females

558

F18-39

558

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4496

Females

643

F18-39

643

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3035

Females

338

F18-39

338

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2story building
+22ft-21ft

Overall

2746

Females

276

F18-39

276

Passing Analysis

Category:
Athletes Passed
3872*
Passed By
556
Net Change
+3316
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10541
5K → 10K234308-74#10541#10615
10K → 15K186141+45#10615#10570
15K → 20K30855+253#10570#10317
20K → Half4623+23#10317#10294
Half → 25K453*5+448#10294#9846
25K → 30K59911+588#9846#9258
30K → 20M4282+426#9258#8832
20M → 21M3100+310#8832#8522
21M → 35K1851+184#8522#8338
35K → 23M3372+335#8338#8003
23M → 24M2291+228#8003#7775
24M → 40K1945+189#7775#7586
40K → 25.2M1062+104#7586#7482
25.2M → Finish2570+257#7482#7225
TOTALS3872*556+3316

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

📊

Passing Visuals

Category:
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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