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BOSTON MARATHON 2025

Jocelyn Jensen

Bib: 21349•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 45%
Division (F45-49)
#0 / 1813
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
8:43/mi
27:04
↑ 97↓ 3451.5%
10K· 6.21 mi
8:44/mi
54:11
↑ 79↓ 1380.4%
15K· 9.32 mi
8:18/mi
1:19:59
↑ 67↓ 78
20K· 12.43 mi
9:36/mi
1:49:48
↑ 106↓ 860.1%
Half· 13.11 mi
7:58/mi
1:55:14
↑ 19↓ 370.5%
25K· 15.53 mi
8:13/mi
2:15:09
↑ 66↓ 880.2%
30K· 18.64 mi
8:32/mi
2:41:39
↑ 181↓ 1480.2%
20M
8:42/mi
2:53:28
↑ 64↓ 500.2%
21M
9:15/mi
3:02:43
↑ 106↓ 241.6%
35K· 21.75 mi
8:25/mi
3:09:01
↑ 17↓ 861.7%
23M
9:29/mi
3:20:54
↑ 23↓ 630.6%
24M
8:39/mi
3:29:33
↓ 821.3%
40K· 24.85 mi
9:02/mi
3:37:16
↓ 200.3%
25.2M
9:37/mi
3:40:35
↑ 13↓ 160.2%
Finish· 26.22 mi
8:18/mi
3:49:02
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:55:14
Pace8:47 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:53:48
Pace8:41 /mi
📊Negative Split: 1.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:5227:048:4327:04
8:43
-
10K
6.21 mi11:51:5954:118:4327:07
8:44
+0:01
15K
9.32 mi12:17:471:19:598:3525:48
8:18
-0:26
20K
12.43 mi12:47:361:49:488:5029:49
9:36
+1:18
Half
13.11 mi12:53:021:55:148:475:26
7:58
-1:38
25K
15.53 mi13:12:572:15:098:4219:55
8:13
+0:15
30K
18.64 mi13:39:272:41:398:4026:30
8:32
+0:19
20M
20.00 mi13:51:162:53:288:4011:49
8:42
+0:10
21M
21.00 mi14:00:313:02:438:429:15
9:15
+0:33
35K
21.75 mi14:06:493:09:018:416:18
8:25
-0:50
23M
23.00 mi14:18:423:20:548:4411:53
9:29
+1:04
24M
24.00 mi14:27:213:29:338:448:39
8:39
-0:50
40K
24.85 mi14:35:043:37:168:447:43
9:02
+0:23
25.2M
25.20 mi14:38:233:40:358:453:19
9:37
+0:35
Finish
26.22 mi14:46:503:49:028:458:27
8:18
-1:19

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

7:58 /mi

Average Pace

8:45 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:05:54

29% of race

Time at Steady Pace

1:41:09

44% of race

Time at Slower Pace

1:01:59

27% of race

Average Pace: 8:44 /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 mi11:24:5227:048:4327:04
8:43
#21067
10K
6.21 mi11:51:5954:118:4327:07
8:44
#20998
15K
9.32 mi12:17:471:19:598:3525:48
8:18
#20136
20K
12.43 mi12:47:361:49:488:5029:49
9:36
#21100
Half
13.11 mi12:53:021:55:148:475:26
7:58
#20871
25K
15.53 mi13:12:572:15:098:4219:55
8:13
#20062
30K
18.64 mi13:39:272:41:398:4026:30
8:32
#19180
20M
20.00 mi13:51:162:53:288:4011:49
8:42
#18867
21M
21.00 mi14:00:313:02:438:429:15
9:15
#18622
35K
21.75 mi14:06:493:09:018:416:18
8:25
#18488
23M
23.00 mi14:18:423:20:548:4411:53
9:29
#18486
24M
24.00 mi14:27:213:29:338:448:39
8:39
#18331
40K
24.85 mi14:35:043:37:168:447:43
9:02
#18260
25.2M
25.20 mi14:38:233:40:358:453:19
9:37
#18219
Finish
26.22 mi14:46:503:49:028:458:27
8:18
#18094
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi210678118811818098(Top 64%)6380(Top 52%)6380(Top 352%)
10K6.21 mi3.10 mi20998+698052+668052+6621040(Top 74%)8035(Top 66%)8035(Top 443%)
15K9.32 mi3.11 mi20136+8627550+5027550+50218098(Top 64%)6380(Top 52%)6380(Top 352%)
20K12.43 mi3.11 mi21100-9648084-5348084-53423194(Top 82%)9239(Top 76%)9239(Top 510%)
Half13.11 mi0.68 mi20871+2297961+1237961+12315705(Top 55%)5025(Top 41%)5025(Top 277%)
25K15.53 mi2.42 mi20062+8097520+4417520+44115420(Top 54%)4973(Top 41%)4973(Top 274%)
30K18.64 mi3.11 mi19180+8827061+4597061+45914960(Top 53%)4885(Top 40%)4885(Top 269%)
20M20.00 mi1.36 mi18867+3136897+1646897+16415073(Top 53%)5094(Top 42%)5094(Top 281%)
21M21.00 mi1.00 mi18622+2456788+1096788+10914925(Top 53%)5141(Top 42%)5141(Top 284%)
35K21.75 mi0.75 mi18488+1346731+576731+5715067(Top 53%)5284(Top 43%)5284(Top 291%)
23M23.00 mi1.25 mi18486+26755-246755-2418666(Top 66%)7326(Top 60%)7326(Top 404%)
24M24.00 mi1.00 mi18331+1556699+566699+5615487(Top 55%)5649(Top 46%)5649(Top 312%)
40K24.85 mi0.85 mi18260+716689+106689+1016483(Top 58%)6306(Top 52%)6306(Top 348%)
25.2M25.20 mi0.35 mi18219+416679+106679+1015271(Top 54%)5712(Top 47%)5712(Top 315%)
Finish26.22 mi1.02 mi18094+1256620+596620+5914907(Top 52%)5435(Top 44%)5435(Top 300%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

18098

Females

6380

F45-49

6380

5K→10K

3.1 - 6.2 mi

Top 74%
×5story building
+79ft-138ft

Overall

21040

Females

8035

F45-49

8035

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

18098

Females

6380

F45-49

6380

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

23194

Females

9239

F45-49

9239

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

15705

Females

5025

F45-49

5025

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

15420

Females

4973

F45-49

4973

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

14960

Females

4885

F45-49

4885

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

15073

Females

5094

F45-49

5094

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

14925

Females

5141

F45-49

5141

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

15067

Females

5284

F45-49

5284

35K→23M

21.8 - 23.0 mi

Top 66%
×5story building
+23ft-63ft

Overall

18666

Females

7326

F45-49

7326

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

15487

Females

5649

F45-49

5649

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16483

Females

6306

F45-49

6306

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15271

Females

5712

F45-49

5712

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

14907

Females

5435

F45-49

5435

Passing Analysis

Category:
Athletes Passed
4428
Passed By
1455
Net Change
+2973
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21067
5K → 10K314245+69#21067#20998
10K → 15K87412+862#20998#20136
15K → 20K391003-964#20136#21100
20K → Half2290+229#21100#20871
Half → 25K8101+809#20871#20062
25K → 30K8820+882#20062#19180
30K → 20M3196+313#19180#18867
20M → 21M2527+245#18867#18622
21M → 35K1384+134#18622#18488
35K → 23M108106+2#18488#18486
23M → 24M1638+155#18486#18331
24M → 40K10433+71#18331#18260
40K → 25.2M5413+41#18260#18219
25.2M → Finish14217+125#18219#18094
TOTALS44281455+2973
📊

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