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BOSTON MARATHON 2025

Katherine Warsofsky

Bib: 26292•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
10:20/mi
32:06
↑ 97↓ 3451.5%
10K· 6.21 mi
10:31/mi
1:04:45
↑ 79↓ 1380.4%
15K· 9.32 mi
10:41/mi
1:37:57
↑ 67↓ 78
20K· 12.43 mi
11:27/mi
2:13:31
↑ 106↓ 860.1%
Half· 13.11 mi
11:13/mi
2:21:10
↑ 19↓ 370.5%
25K· 15.53 mi
12:29/mi
2:51:27
↑ 66↓ 880.2%
30K· 18.64 mi
13:53/mi
3:34:35
↑ 181↓ 1480.2%
20M
14:49/mi
3:54:43
↑ 64↓ 500.2%
21M
16:14/mi
4:10:57
↑ 106↓ 241.6%
35K· 21.75 mi
15:41/mi
4:22:41
↑ 17↓ 861.7%
23M
14:43/mi
4:41:07
↑ 23↓ 630.6%
24M
15:43/mi
4:56:50
↓ 821.3%
40K· 24.85 mi
15:43/mi
5:10:16
↓ 200.3%
25.2M
16:03/mi
5:15:48
↑ 13↓ 160.2%
Finish· 26.22 mi
12:23/mi
5:28:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:21:10
Pace10:46 /mi
2nd Half
Distance13.11 mi
Time3:07:15
Pace14:17 /mi
📊Positive Split: 32.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:4332:0610:2032:06
10:20
-
10K
6.21 mi12:20:221:04:4510:2532:39
10:31
+0:11
15K
9.32 mi12:53:341:37:5710:3133:12
10:41
+0:10
20K
12.43 mi13:29:082:13:3110:4535:34
11:27
+0:46
Half
13.11 mi13:36:472:21:1010:467:39
11:13
-0:14
25K
15.53 mi14:07:042:51:2711:0230:17
12:29
+1:16
30K
18.64 mi14:50:123:34:3511:3143:08
13:53
+1:24
20M
20.00 mi15:10:203:54:4311:4420:08
14:49
+0:56
21M
21.00 mi15:26:344:10:5711:5716:14
16:14
+1:25
35K
21.75 mi15:38:184:22:4112:0511:44
15:41
-0:33
23M
23.00 mi15:56:444:41:0712:1318:26
14:43
-0:58
24M
24.00 mi16:12:274:56:5012:2215:43
15:43
+1:00
40K
24.85 mi16:25:535:10:1612:2913:26
15:43
0:00
25.2M
25.20 mi16:31:255:15:4812:325:32
16:03
+0:20
Finish
26.22 mi16:44:025:28:2512:3212:37
12:23
-3:40

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

10:20 /mi

Average Pace

12:32 /mi

Slowest Pace

16:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04:04

56% of race

Time at Steady Pace

1:21:42

25% of race

Time at Slower Pace

1:02:39

19% of race

Average Pace: 12:32 /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 mi11:47:4332:0610:2032:06
10:20
#26366
10K
6.21 mi12:20:221:04:4510:2532:39
10:31
#26337
15K
9.32 mi12:53:341:37:5710:3133:12
10:41
#26297
20K
12.43 mi13:29:082:13:3110:4535:34
11:27
#26402
Half
13.11 mi13:36:472:21:1010:467:39
11:13
#26426
25K
15.53 mi14:07:042:51:2711:0230:17
12:29
#26549
30K
18.64 mi14:50:123:34:3511:3143:08
13:53
#26786
20M
20.00 mi15:10:203:54:4311:4420:08
14:49
#26936
21M
21.00 mi15:26:344:10:5711:5716:14
16:14
#27026
35K
21.75 mi15:38:184:22:4112:0511:44
15:41
#27109
23M
23.00 mi15:56:444:41:0712:1318:26
14:43
#27173
24M
24.00 mi16:12:274:56:5012:2215:43
15:43
#27275
40K
24.85 mi16:25:535:10:1612:2913:26
15:43
#27336
25.2M
25.20 mi16:31:255:15:4812:325:32
16:03
#27352
Finish
26.22 mi16:44:025:28:2512:3212:37
12:23
#27370
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26366109571095726228(Top 92%)10903(Top 89%)10903(Top 199%)
10K6.21 mi3.10 mi26337+29109571095726274(Top 93%)10949(Top 90%)10949(Top 200%)
15K9.32 mi3.11 mi26297+4010945+1210945+1226228(Top 92%)10903(Top 89%)10903(Top 199%)
20K12.43 mi3.11 mi26402-10511011-6611011-6626569(Top 94%)11140(Top 91%)11140(Top 204%)
Half13.11 mi0.68 mi26426-2411020-911020-926778(Top 94%)11288(Top 92%)11288(Top 206%)
25K15.53 mi2.42 mi26549-12311106-8611106-8626918(Top 95%)11382(Top 93%)11382(Top 208%)
30K18.64 mi3.11 mi26786-23711278-17211278-17227423(Top 97%)11733(Top 96%)11733(Top 215%)
20M20.00 mi1.36 mi26936-15011366-8811366-8827786(Top 98%)11963(Top 98%)11963(Top 219%)
21M21.00 mi1.00 mi27026-9011428-6211428-6227910(Top 98%)12013(Top 98%)12013(Top 220%)
35K21.75 mi0.75 mi27109-8311483-5511483-5528189(Top 99%)12153(Top 99%)12153(Top 222%)
23M23.00 mi1.25 mi27173-6411530-4711530-4727775(Top 98%)11990(Top 98%)11990(Top 219%)
24M24.00 mi1.00 mi27275-10211600-7011600-7028181(Top 99%)12167(Top 100%)12167(Top 222%)
40K24.85 mi0.85 mi27336-6111639-3911639-3928023(Top 99%)12105(Top 99%)12105(Top 221%)
25.2M25.20 mi0.35 mi27352-1611650-1111650-1127719(Top 98%)11988(Top 98%)11988(Top 219%)
Finish26.22 mi1.02 mi27370-1811656-611656-627194(Top 96%)11710(Top 96%)11710(Top 214%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

26228

Females

10903

F18-39

10903

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

26274

Females

10949

F18-39

10949

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

26228

Females

10903

F18-39

10903

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

26569

Females

11140

F18-39

11140

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

26778

Females

11288

F18-39

11288

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

26918

Females

11382

F18-39

11382

25K→30K

15.5 - 18.6 mi

Top 97%
×9story building
+181ft-148ft

Overall

27423

Females

11733

F18-39

11733

30K→20M

18.6 - 20.0 mi

Top 98%
×5story building
+64ft-50ft

Overall

27786

Females

11963

F18-39

11963

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

27910

Females

12013

F18-39

12013

21M→35K

21.0 - 21.8 mi

Top 99%
×7story building
+17ft-86ft

Overall

28189

Females

12153

F18-39

12153

35K→23M

21.8 - 23.0 mi

Top 98%
×5story building
+23ft-63ft

Overall

27775

Females

11990

F18-39

11990

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

28181

Females

12167

F18-39

12167

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

28023

Females

12105

F18-39

12105

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

27719

Females

11988

F18-39

11988

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2story building
+22ft-21ft

Overall

27194

Females

11710

F18-39

11710

Passing Analysis

Category:
Athletes Passed
544
Passed By
1548
Net Change
-1004
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26366
5K → 10K183154+29#26366#26337
10K → 15K149109+40#26337#26297
15K → 20K85190-105#26297#26402
20K → Half1034-24#26402#26426
Half → 25K46169-123#26426#26549
25K → 30K31268-237#26549#26786
30K → 20M5155-150#26786#26936
20M → 21M696-90#26936#27026
21M → 35K285-83#27026#27109
35K → 23M872-64#27109#27173
23M → 24M6108-102#27173#27275
24M → 40K667-61#27275#27336
40K → 25.2M117-16#27336#27352
25.2M → Finish624-18#27352#27370
TOTALS5441548-1004
📊

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