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BOSTON MARATHON 2025

Olivia Jensen

Bib: 26339•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

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
10:00/mi
31:03
↑ 97↓ 3451.5%
10K· 6.21 mi
9:55/mi
1:01:51
↑ 79↓ 1380.4%
15K· 9.32 mi
10:15/mi
1:33:43
↑ 67↓ 78
20K· 12.43 mi
11:21/mi
2:08:59
↑ 106↓ 860.1%
Half· 13.11 mi
10:11/mi
2:15:56
↑ 19↓ 370.5%
25K· 15.53 mi
10:49/mi
2:42:10
↑ 66↓ 880.2%
30K· 18.64 mi
11:26/mi
3:17:42
↑ 181↓ 1480.2%
20M
13:02/mi
3:35:25
↑ 64↓ 500.2%
21M
10:55/mi
3:46:20
↑ 106↓ 241.6%
35K· 21.75 mi
10:08/mi
3:53:55
↑ 17↓ 861.7%
23M
10:25/mi
4:06:57
↑ 23↓ 630.6%
24M
10:24/mi
4:17:21
↓ 821.3%
40K· 24.85 mi
10:07/mi
4:26:00
↓ 200.3%
25.2M
11:19/mi
4:29:54
↑ 13↓ 160.2%
Finish· 26.22 mi
9:03/mi
4:39:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:56
Pace10:22 /mi
2nd Half
Distance13.11 mi
Time2:23:11
Pace10:55 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:4531:0310:0031:03
10:00
-
10K
6.21 mi12:17:331:01:519:5730:48
9:55
-0:05
15K
9.32 mi12:49:251:33:4310:0331:52
10:15
+0:20
20K
12.43 mi13:24:412:08:5910:2335:16
11:21
+1:06
Half
13.11 mi13:31:382:15:5610:226:57
10:11
-1:10
25K
15.53 mi13:57:522:42:1010:2626:14
10:49
+0:38
30K
18.64 mi14:33:243:17:4210:3635:32
11:26
+0:37
20M
20.00 mi14:51:073:35:2510:4617:43
13:02
+1:36
21M
21.00 mi15:02:023:46:2010:4710:55
10:55
-2:07
35K
21.75 mi15:09:373:53:5510:457:35
10:08
-0:47
23M
23.00 mi15:22:394:06:5710:4413:02
10:25
+0:17
24M
24.00 mi15:33:034:17:2110:4310:24
10:24
-0:01
40K
24.85 mi15:41:424:26:0010:428:39
10:07
-0:17
25.2M
25.20 mi15:45:364:29:5410:433:54
11:19
+1:12
Finish
26.22 mi15:54:494:39:0710:399:13
9:03
-2:16

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

9:03 /mi

Average Pace

10:39 /mi

Slowest Pace

13:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

40:01

14% of race

Time at Steady Pace

2:15:46

49% of race

Time at Slower Pace

1:43:20

37% of race

Average Pace: 10:39 /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 mi11:46:4531:0310:0031:03
10:00
#25546
10K
6.21 mi12:17:331:01:519:5730:48
9:55
#25317
15K
9.32 mi12:49:251:33:4310:0331:52
10:15
#25425
20K
12.43 mi13:24:412:08:5910:2335:16
11:21
#25750
Half
13.11 mi13:31:382:15:5610:226:57
10:11
#25717
25K
15.53 mi13:57:522:42:1010:2626:14
10:49
#25592
30K
18.64 mi14:33:243:17:4210:3635:32
11:26
#25419
20M
20.00 mi14:51:073:35:2510:4617:43
13:02
#25532
21M
21.00 mi15:02:023:46:2010:4710:55
10:55
#25353
35K
21.75 mi15:09:373:53:5510:457:35
10:08
#25271
23M
23.00 mi15:22:394:06:5710:4413:02
10:25
#25126
24M
24.00 mi15:33:034:17:2110:4310:24
10:24
#25050
40K
24.85 mi15:41:424:26:0010:428:39
10:07
#24932
25.2M
25.20 mi15:45:364:29:5410:433:54
11:19
#24899
Finish
26.22 mi15:54:494:39:0710:399:13
9:03
#24783
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25546105031050325515(Top 90%)10511(Top 86%)10511(Top 192%)
10K6.21 mi3.10 mi25317+22910407+9610407+9625120(Top 88%)10299(Top 84%)10299(Top 188%)
15K9.32 mi3.11 mi25425-10810454-4710454-4725515(Top 90%)10511(Top 86%)10511(Top 192%)
20K12.43 mi3.11 mi25750-32510643-18910643-18926450(Top 93%)11066(Top 90%)11066(Top 202%)
Half13.11 mi0.68 mi25717+3310623+2010623+2025203(Top 89%)10378(Top 85%)10378(Top 190%)
25K15.53 mi2.42 mi25592+12510567+5610567+5624938(Top 88%)10253(Top 84%)10253(Top 187%)
30K18.64 mi3.11 mi25419+17310510+5710510+5724758(Top 87%)10272(Top 84%)10272(Top 188%)
20M20.00 mi1.36 mi25532-11310589-7910589-7926467(Top 93%)11263(Top 92%)11263(Top 206%)
21M21.00 mi1.00 mi25353+17910503+8610503+8621149(Top 74%)8529(Top 70%)8529(Top 156%)
35K21.75 mi0.75 mi25271+8210466+3710466+3722242(Top 78%)9164(Top 75%)9164(Top 168%)
23M23.00 mi1.25 mi25126+14510400+6610400+6621744(Top 77%)8948(Top 73%)8948(Top 164%)
24M24.00 mi1.00 mi25050+7610366+3410366+3422507(Top 79%)9401(Top 77%)9401(Top 172%)
40K24.85 mi0.85 mi24932+11810319+4710319+4720801(Top 73%)8570(Top 70%)8570(Top 157%)
25.2M25.20 mi0.35 mi24899+3310304+1510304+1521483(Top 76%)8916(Top 73%)8916(Top 163%)
Finish26.22 mi1.02 mi24783+11610254+5010254+5019226(Top 68%)7742(Top 63%)7742(Top 142%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

25515

Females

10511

F18-39

10511

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

25120

Females

10299

F18-39

10299

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

25515

Females

10511

F18-39

10511

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

26450

Females

11066

F18-39

11066

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

25203

Females

10378

F18-39

10378

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

24938

Females

10253

F18-39

10253

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

24758

Females

10272

F18-39

10272

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

26467

Females

11263

F18-39

11263

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

21149

Females

8529

F18-39

8529

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

22242

Females

9164

F18-39

9164

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

21744

Females

8948

F18-39

8948

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

22507

Females

9401

F18-39

9401

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20801

Females

8570

F18-39

8570

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21483

Females

8916

F18-39

8916

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

19226

Females

7742

F18-39

7742

Passing Analysis

Category:
Athletes Passed
1669
Passed By
906
Net Change
+763
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25546
5K → 10K31889+229#25546#25317
10K → 15K96204-108#25317#25425
15K → 20K54379-325#25425#25750
20K → Half363+33#25750#25717
Half → 25K16843+125#25717#25592
25K → 30K21037+173#25592#25419
30K → 20M27140-113#25419#25532
20M → 21M1790+179#25532#25353
21M → 35K820+82#25353#25271
35K → 23M1461+145#25271#25126
23M → 24M793+76#25126#25050
24M → 40K1191+118#25050#24932
40K → 25.2M363+33#24932#24899
25.2M → Finish1193+116#24899#24783
TOTALS1669906+763
📊

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