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BOSTON MARATHON 2025

Anja Bosold

Bib: 10900•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 39%
Gender (Female)
#0 / 12228
Top 23%
Division (F18-39)
#0 / 5469
Top 39%
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
7:22/mi
22:53
↑ 97↓ 3451.5%
10K· 6.21 mi
7:24/mi
45:53
↑ 79↓ 1380.4%
15K· 9.32 mi
7:37/mi
1:09:32
↑ 67↓ 78
20K· 12.43 mi
7:46/mi
1:33:40
↑ 106↓ 860.1%
Half· 13.11 mi
7:34/mi
1:38:50
↑ 19↓ 370.5%
25K· 15.53 mi
7:50/mi
1:57:49
↑ 66↓ 880.2%
30K· 18.64 mi
8:02/mi
2:22:47
↑ 181↓ 1480.2%
20M
8:12/mi
2:33:55
↑ 64↓ 500.2%
21M
8:40/mi
2:42:35
↑ 106↓ 241.6%
35K· 21.75 mi
7:37/mi
2:48:17
↑ 17↓ 861.7%
23M
7:58/mi
2:58:15
↑ 23↓ 630.6%
24M
7:43/mi
3:05:58
↓ 821.3%
40K· 24.85 mi
7:50/mi
3:12:40
↓ 200.3%
25.2M
8:27/mi
3:15:35
↑ 13↓ 160.2%
Finish· 26.22 mi
7:31/mi
3:23:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:50
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:44:25
Pace7:58 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:2422:537:2222:53
7:22
-
10K
6.21 mi11:12:2445:537:2323:00
7:24
+0:02
15K
9.32 mi11:36:031:09:327:2823:39
7:37
+0:13
20K
12.43 mi12:00:111:33:407:3224:08
7:46
+0:09
Half
13.11 mi12:05:211:38:507:325:10
7:34
-0:12
25K
15.53 mi12:24:201:57:497:3518:59
7:50
+0:16
30K
18.64 mi12:49:182:22:477:4024:58
8:02
+0:12
20M
20.00 mi13:00:262:33:557:4211:08
8:12
+0:10
21M
21.00 mi13:09:062:42:357:458:40
8:40
+0:28
35K
21.75 mi13:14:482:48:177:445:42
7:37
-1:03
23M
23.00 mi13:24:462:58:157:459:58
7:58
+0:21
24M
24.00 mi13:32:293:05:587:457:43
7:43
-0:15
40K
24.85 mi13:39:113:12:407:456:42
7:50
+0:07
25.2M
25.20 mi13:42:063:15:357:462:55
8:27
+0:37
Finish
26.22 mi13:49:463:23:157:457:40
7:31
-0:56

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

7:22 /mi

Average Pace

7:45 /mi

Slowest Pace

8:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:32

89% of race

Time at Steady Pace

22:43

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:45 /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 mi10:49:2422:537:2222:53
7:22
#11024
10K
6.21 mi11:12:2445:537:2323:00
7:24
#11108
15K
9.32 mi11:36:031:09:327:2823:39
7:37
#11633
20K
12.43 mi12:00:111:33:407:3224:08
7:46
#11971
Half
13.11 mi12:05:211:38:507:325:10
7:34
#11977
25K
15.53 mi12:24:201:57:497:3518:59
7:50
#12042
30K
18.64 mi12:49:182:22:477:4024:58
8:02
#11906
20M
20.00 mi13:00:262:33:557:4211:08
8:12
#11870
21M
21.00 mi13:09:062:42:357:458:40
8:40
#11830
35K
21.75 mi13:14:482:48:177:445:42
7:37
#11723
23M
23.00 mi13:24:462:58:157:459:58
7:58
#11558
24M
24.00 mi13:32:293:05:587:457:43
7:43
#11405
40K
24.85 mi13:39:113:12:407:456:42
7:50
#11273
25.2M
25.20 mi13:42:063:15:357:462:55
8:27
#11206
Finish
26.22 mi13:49:463:23:157:457:40
7:31
#11106
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi110242299229912705(Top 45%)3277(Top 27%)3277(Top 60%)
10K6.21 mi3.10 mi11108-842353-542353-5411221(Top 40%)2428(Top 20%)2428(Top 44%)
15K9.32 mi3.11 mi11633-5252639-2862639-28612705(Top 45%)3277(Top 27%)3277(Top 60%)
20K12.43 mi3.11 mi11971-3382854-2152854-21513009(Top 46%)3551(Top 29%)3551(Top 65%)
Half13.11 mi0.68 mi11977-62864-102864-1012385(Top 44%)3152(Top 26%)3152(Top 58%)
25K15.53 mi2.42 mi12042-652943-792943-7912588(Top 44%)3442(Top 28%)3442(Top 63%)
30K18.64 mi3.11 mi11906+1362948-52948-511652(Top 41%)3117(Top 25%)3117(Top 57%)
20M20.00 mi1.36 mi11870+362962-142962-1411763(Top 41%)3329(Top 27%)3329(Top 61%)
21M21.00 mi1.00 mi11830+402984-222984-2211487(Top 40%)3342(Top 27%)3342(Top 61%)
35K21.75 mi0.75 mi11723+1072944+402944+409527(Top 34%)2382(Top 19%)2382(Top 44%)
23M23.00 mi1.25 mi11558+1652909+352909+359769(Top 34%)2625(Top 21%)2625(Top 48%)
24M24.00 mi1.00 mi11405+1532861+482861+489254(Top 33%)2452(Top 20%)2452(Top 45%)
40K24.85 mi0.85 mi11273+1322833+282833+289073(Top 32%)2494(Top 20%)2494(Top 46%)
25.2M25.20 mi0.35 mi11206+672815+182815+188636(Top 30%)2349(Top 19%)2349(Top 43%)
Finish26.22 mi1.02 mi11106+1002801+142801+149390(Top 33%)2718(Top 22%)2718(Top 50%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

12705

Females

3277

F18-39

3277

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

11221

Females

2428

F18-39

2428

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

12705

Females

3277

F18-39

3277

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

13009

Females

3551

F18-39

3551

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

12385

Females

3152

F18-39

3152

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

12588

Females

3442

F18-39

3442

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

11652

Females

3117

F18-39

3117

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

11763

Females

3329

F18-39

3329

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

11487

Females

3342

F18-39

3342

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9527

Females

2382

F18-39

2382

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9769

Females

2625

F18-39

2625

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

9254

Females

2452

F18-39

2452

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9073

Females

2494

F18-39

2494

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8636

Females

2349

F18-39

2349

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

9390

Females

2718

F18-39

2718

Passing Analysis

Category:
Athletes Passed
1951
Passed By
2033
Net Change
-82
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11024
5K → 10K217301-84#11024#11108
10K → 15K73598-525#11108#11633
15K → 20K92430-338#11633#11971
20K → Half3440-6#11971#11977
Half → 25K144209-65#11977#12042
25K → 30K290154+136#12042#11906
30K → 20M139103+36#11906#11870
20M → 21M12383+40#11870#11830
21M → 35K11912+107#11830#11723
35K → 23M19631+165#11723#11558
23M → 24M16916+153#11558#11405
24M → 40K15220+132#11405#11273
40K → 25.2M758+67#11273#11206
25.2M → Finish12828+100#11206#11106
TOTALS19512033-82
📊

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