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BOSTON MARATHON 2025

Claire Hagerstrom

Bib: 26841•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:43
Rank: #24457
Start → 5K
29:43 | 9:34/mi
10K· 6.21 mi
59:32
Rank: #24403 (+54)
5K → 10K
29:49 | 9:36/mi
15K· 9.32 mi
1:28:44
Rank: #24097 (+306)
10K → 15K
29:12 | 9:24/mi
20K· 12.43 mi
1:57:46
Rank: #23682 (+415)
15K → 20K
29:02 | 9:21/mi
Half· 13.11 mi
2:04:01
Rank: #23630 (+52)
20K → Half
6:15 | 9:10/mi
25K· 15.53 mi
2:27:01
Rank: #23302 (+328)
Half → 25K
23:00 | 9:29/mi
30K· 18.64 mi
2:57:22
Rank: #22838 (+464)
25K → 30K
30:21 | 9:46/mi
20M
3:10:47
Rank: #22676 (+162)
30K → 20M
13:25 | 9:52/mi
21M
3:21:00
Rank: #22476 (+200)
20M → 21M
10:13 | 10:13/mi
35K· 21.75 mi
3:28:05
Rank: #22392 (+84)
21M → 35K
7:05 | 9:28/mi
23M
3:40:35
Rank: #22250 (+142)
35K → 23M
12:30 | 9:59/mi
24M
3:50:08
Rank: #22152 (+98)
23M → 24M
9:33 | 9:33/mi
40K· 24.85 mi
3:57:51
Rank: #21964 (+188)
24M → 40K
7:43 | 9:02/mi
25.2M
4:01:23
Rank: #21906 (+58)
40K → 25.2M
3:32 | 10:15/mi
Finish· 26.22 mi
4:10:50
Rank: #21836 (+70)
25.2M → Finish
9:27 | 9:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:01
Pace9:28 /mi
2nd Half
Distance13.11 mi
Time2:06:49
Pace9:40 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:5929:439:3429:43
9:34
-
10K
6.21 mi12:22:4859:329:3529:49
9:36
+0:02
15K
9.32 mi12:52:001:28:449:3129:12
9:24
-0:12
20K
12.43 mi13:21:021:57:469:2929:02
9:21
-0:03
Half
13.11 mi13:27:172:04:019:286:15
9:10
-0:11
25K
15.53 mi13:50:172:27:019:2823:00
9:29
+0:19
30K
18.64 mi14:20:382:57:229:3130:21
9:46
+0:17
20M
20.00 mi14:34:033:10:479:3213:25
9:52
+0:06
21M
21.00 mi14:44:163:21:009:3410:13
10:13
+0:21
35K
21.75 mi14:51:213:28:059:347:05
9:28
-0:45
23M
23.00 mi15:03:513:40:359:3512:30
9:59
+0:31
24M
24.00 mi15:13:243:50:089:359:33
9:33
-0:26
40K
24.85 mi15:21:073:57:519:347:43
9:02
-0:31
25.2M
25.20 mi15:24:394:01:239:353:32
10:15
+1:13
Finish
26.22 mi15:34:064:10:509:349:27
9:16
-0:59

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

9:02 /mi

Average Pace

9:34 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:44:35

90% of race

Time at Steady Pace

26:15

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:34 /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 mi11:52:5929:439:3429:43
9:34
#24457
10K
6.21 mi12:22:4859:329:3529:49
9:36
#24403
15K
9.32 mi12:52:001:28:449:3129:12
9:24
#24097
20K
12.43 mi13:21:021:57:469:2929:02
9:21
#23682
Half
13.11 mi13:27:172:04:019:286:15
9:10
#23630
25K
15.53 mi13:50:172:27:019:2823:00
9:29
#23302
30K
18.64 mi14:20:382:57:229:3130:21
9:46
#22838
20M
20.00 mi14:34:033:10:479:3213:25
9:52
#22676
21M
21.00 mi14:44:163:21:009:3410:13
10:13
#22476
35K
21.75 mi14:51:213:28:059:347:05
9:28
#22392
23M
23.00 mi15:03:513:40:359:3512:30
9:59
#22250
24M
24.00 mi15:13:243:50:089:359:33
9:33
#22152
40K
24.85 mi15:21:073:57:519:347:43
9:02
#21964
25.2M
25.20 mi15:24:394:01:239:353:32
10:15
#21906
Finish
26.22 mi15:34:064:10:509:349:27
9:16
#21836
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi244579939993923474(Top 83%)9361(Top 77%)9361(Top 171%)
10K6.21 mi3.10 mi24403+549898+419898+4124355(Top 86%)9889(Top 81%)9889(Top 181%)
15K9.32 mi3.11 mi24097+3069727+1719727+17123474(Top 83%)9361(Top 77%)9361(Top 171%)
20K12.43 mi3.11 mi23682+4159506+2219506+22122411(Top 79%)8810(Top 72%)8810(Top 161%)
Half13.11 mi0.68 mi23630+529478+289478+2822474(Top 79%)8865(Top 72%)8865(Top 162%)
25K15.53 mi2.42 mi23302+3289297+1819297+18121817(Top 77%)8551(Top 70%)8551(Top 156%)
30K18.64 mi3.11 mi22838+4649088+2099088+20920895(Top 74%)8173(Top 67%)8173(Top 149%)
20M20.00 mi1.36 mi22676+1629029+599029+5920545(Top 72%)8109(Top 66%)8109(Top 148%)
21M21.00 mi1.00 mi22476+2008933+968933+9619104(Top 67%)7388(Top 60%)7388(Top 135%)
35K21.75 mi0.75 mi22392+848896+378896+3720256(Top 71%)8114(Top 66%)8114(Top 148%)
23M23.00 mi1.25 mi22250+1428857+398857+3920454(Top 72%)8275(Top 68%)8275(Top 151%)
24M24.00 mi1.00 mi22152+988821+368821+3619826(Top 70%)8001(Top 65%)8001(Top 146%)
40K24.85 mi0.85 mi21964+1888736+858736+8516515(Top 58%)6338(Top 52%)6338(Top 116%)
25.2M25.20 mi0.35 mi21906+588714+228714+2218174(Top 64%)7249(Top 59%)7249(Top 133%)
Finish26.22 mi1.02 mi21836+708693+218693+2120298(Top 71%)8296(Top 68%)8296(Top 152%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21stories
+97ft-345ft

Overall

23474

Females

9361

F18-39

9361

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

24355

Females

9889

F18-39

9889

10K→15K

6.2 - 9.3 mi

Top 83%
×3stories
+67ft-78ft

Overall

23474

Females

9361

F18-39

9361

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

22411

Females

8810

F18-39

8810

20K→Half

12.4 - 13.1 mi

Top 79%
×2stories
+19ft-37ft

Overall

22474

Females

8865

F18-39

8865

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

21817

Females

8551

F18-39

8551

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

20895

Females

8173

F18-39

8173

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

20545

Females

8109

F18-39

8109

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

19104

Females

7388

F18-39

7388

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

20256

Females

8114

F18-39

8114

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

20454

Females

8275

F18-39

8275

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

19826

Females

8001

F18-39

8001

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16515

Females

6338

F18-39

6338

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18174

Females

7249

F18-39

7249

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

20298

Females

8296

F18-39

8296

Passing Analysis

Category:
Athletes Passed
2941
Passed By
320
Net Change
+2621
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24457
5K → 10K241187+54#24457#24403
10K → 15K34236+306#24403#24097
15K → 20K4227+415#24097#23682
20K → Half564+52#23682#23630
Half → 25K3357+328#23630#23302
25K → 30K47410+464#23302#22838
30K → 20M17210+162#22838#22676
20M → 21M21010+200#22676#22476
21M → 35K906+84#22476#22392
35K → 23M15715+142#22392#22250
23M → 24M1035+98#22250#22152
24M → 40K1880+188#22152#21964
40K → 25.2M624+58#21964#21906
25.2M → Finish8919+70#21906#21836
TOTALS2941320+2621
📊

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