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BOSTON MARATHON 2025

Josi Wood

Bib: 21285•F

MO

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 42%
Masters (Masters Women)
#0 / 6759
Top 29%
Division (F45-49)
#0 / 1813
Top 34%
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
8:13/mi
25:33
↑ 97↓ 3451.5%
10K· 6.21 mi
8:18/mi
51:21
↑ 79↓ 1380.4%
15K· 9.32 mi
8:19/mi
1:17:10
↑ 67↓ 78
20K· 12.43 mi
8:21/mi
1:43:08
↑ 106↓ 860.1%
Half· 13.11 mi
8:12/mi
1:48:44
↑ 19↓ 370.5%
25K· 15.53 mi
8:26/mi
2:09:10
↑ 66↓ 880.2%
30K· 18.64 mi
8:39/mi
2:36:01
↑ 181↓ 1480.2%
20M
8:36/mi
2:47:42
↑ 64↓ 500.2%
21M
8:53/mi
2:56:35
↑ 106↓ 241.6%
35K· 21.75 mi
8:04/mi
3:02:37
↑ 17↓ 861.7%
23M
8:17/mi
3:12:59
↑ 23↓ 630.6%
24M
7:58/mi
3:20:57
↓ 821.3%
40K· 24.85 mi
8:02/mi
3:27:49
↓ 200.3%
25.2M
8:39/mi
3:30:48
↑ 13↓ 160.2%
Finish· 26.22 mi
7:44/mi
3:38:41
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:44
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time1:49:57
Pace8:23 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:1925:338:1325:33
8:13
-
10K
6.21 mi11:44:0751:218:1625:48
8:18
+0:05
15K
9.32 mi12:09:561:17:108:1725:49
8:19
+0:01
20K
12.43 mi12:35:541:43:088:1825:58
8:21
+0:02
Half
13.11 mi12:41:301:48:448:185:36
8:12
-0:09
25K
15.53 mi13:01:562:09:108:1920:26
8:26
+0:14
30K
18.64 mi13:28:472:36:018:2226:51
8:39
+0:13
20M
20.00 mi13:40:282:47:428:2311:41
8:36
-0:03
21M
21.00 mi13:49:212:56:358:258:53
8:53
+0:17
35K
21.75 mi13:55:233:02:378:246:02
8:04
-0:49
23M
23.00 mi14:05:453:12:598:2310:22
8:17
+0:13
24M
24.00 mi14:13:433:20:578:227:58
7:58
-0:19
40K
24.85 mi14:20:353:27:498:226:52
8:02
+0:04
25.2M
25.20 mi14:23:343:30:488:222:59
8:39
+0:37
Finish
26.22 mi14:31:273:38:418:217:53
7:44
-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

7:44 /mi

Average Pace

8:21 /mi

Slowest Pace

8:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:17

77% of race

Time at Steady Pace

50:24

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:20 /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 mi11:18:1925:338:1325:33
8:13
#18265
10K
6.21 mi11:44:0751:218:1625:48
8:18
#18400
15K
9.32 mi12:09:561:17:108:1725:49
8:19
#18272
20K
12.43 mi12:35:541:43:088:1825:58
8:21
#17991
Half
13.11 mi12:41:301:48:448:185:36
8:12
#17946
25K
15.53 mi13:01:562:09:108:1920:26
8:26
#17674
30K
18.64 mi13:28:472:36:018:2226:51
8:39
#17263
20M
20.00 mi13:40:282:47:428:2311:41
8:36
#17042
21M
21.00 mi13:49:212:56:358:258:53
8:53
#16762
35K
21.75 mi13:55:233:02:378:246:02
8:04
#16593
23M
23.00 mi14:05:453:12:598:2310:22
8:17
#16267
24M
24.00 mi14:13:433:20:578:227:58
7:58
#16044
40K
24.85 mi14:20:353:27:498:226:52
8:02
#15822
25.2M
25.20 mi14:23:343:30:488:222:59
8:39
#15711
Finish
26.22 mi14:31:273:38:418:217:53
7:44
#15529
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi182656501650118126(Top 64%)6394(Top 52%)6394(Top 353%)
10K6.21 mi3.10 mi18400-1356556-556556-5518582(Top 65%)6639(Top 54%)6639(Top 366%)
15K9.32 mi3.11 mi18272+1286487+696487+6918126(Top 64%)6394(Top 52%)6394(Top 353%)
20K12.43 mi3.11 mi17991+2816329+1586329+15817285(Top 61%)5930(Top 48%)5930(Top 327%)
Half13.11 mi0.68 mi17946+456306+236306+2317334(Top 61%)5933(Top 49%)5933(Top 327%)
25K15.53 mi2.42 mi17674+2726160+1466160+14616737(Top 59%)5711(Top 47%)5711(Top 315%)
30K18.64 mi3.11 mi17263+4115970+1905970+19015655(Top 55%)5258(Top 43%)5258(Top 290%)
20M20.00 mi1.36 mi17042+2215870+1005870+10014440(Top 51%)4750(Top 39%)4750(Top 262%)
21M21.00 mi1.00 mi16762+2805737+1335737+13312858(Top 45%)4055(Top 33%)4055(Top 224%)
35K21.75 mi0.75 mi16593+1695660+775660+7712758(Top 45%)4041(Top 33%)4041(Top 223%)
23M23.00 mi1.25 mi16267+3265502+1585502+15811961(Top 42%)3728(Top 30%)3728(Top 206%)
24M24.00 mi1.00 mi16044+2235404+985404+9811053(Top 39%)3343(Top 27%)3343(Top 184%)
40K24.85 mi0.85 mi15822+2225301+1035301+10310483(Top 37%)3183(Top 26%)3183(Top 176%)
25.2M25.20 mi0.35 mi15711+1115255+465255+469857(Top 35%)2983(Top 24%)2983(Top 165%)
Finish26.22 mi1.02 mi15529+1825168+875168+8711019(Top 39%)3487(Top 29%)3487(Top 192%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

18126

Females

6394

F45-49

6394

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

18582

Females

6639

F45-49

6639

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

18126

Females

6394

F45-49

6394

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

17285

Females

5930

F45-49

5930

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

17334

Females

5933

F45-49

5933

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

16737

Females

5711

F45-49

5711

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

15655

Females

5258

F45-49

5258

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

14440

Females

4750

F45-49

4750

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

12858

Females

4055

F45-49

4055

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12758

Females

4041

F45-49

4041

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11961

Females

3728

F45-49

3728

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

11053

Females

3343

F45-49

3343

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10483

Females

3183

F45-49

3183

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9857

Females

2983

F45-49

2983

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

11019

Females

3487

F45-49

3487

Passing Analysis

Category:
Athletes Passed
3387
Passed By
651
Net Change
+2736
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18265
5K → 10K199334-135#18265#18400
10K → 15K251123+128#18400#18272
15K → 20K33857+281#18272#17991
20K → Half6217+45#17991#17946
Half → 25K30937+272#17946#17674
25K → 30K45948+411#17674#17263
30K → 20M23211+221#17263#17042
20M → 21M2844+280#17042#16762
21M → 35K1745+169#16762#16593
35K → 23M3348+326#16593#16267
23M → 24M2252+223#16267#16044
24M → 40K2220+222#16044#15822
40K → 25.2M1121+111#15822#15711
25.2M → Finish1864+182#15711#15529
TOTALS3387651+2736
📊

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