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BOSTON MARATHON 2025

Shannon Warburg

Bib: 16891•F

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 44%
Division (F55-59)
#0 / 994
Top 24%
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
7:50/mi
24:21
↑ 97↓ 3451.5%
10K· 6.21 mi
7:58/mi
49:07
↑ 79↓ 1380.4%
15K· 9.32 mi
8:26/mi
1:15:18
↑ 67↓ 78
20K· 12.43 mi
8:29/mi
1:41:39
↑ 106↓ 860.1%
Half· 13.11 mi
8:15/mi
1:47:17
↑ 19↓ 370.5%
25K· 15.53 mi
8:43/mi
2:08:26
↑ 66↓ 880.2%
30K· 18.64 mi
9:04/mi
2:36:37
↑ 181↓ 1480.2%
20M
9:45/mi
2:49:52
↑ 64↓ 500.2%
21M
10:34/mi
3:00:26
↑ 106↓ 241.6%
35K· 21.75 mi
9:13/mi
3:07:20
↑ 17↓ 861.7%
23M
9:42/mi
3:19:29
↑ 23↓ 630.6%
24M
9:14/mi
3:28:43
↓ 821.3%
40K· 24.85 mi
9:34/mi
3:36:54
↓ 200.3%
25.2M
9:40/mi
3:40:14
↑ 13↓ 160.2%
Finish· 26.22 mi
8:28/mi
3:48:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:17
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time2:01:35
Pace9:16 /mi
📊Positive Split: 13.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:00:1024:217:5024:21
7:50
-
10K
6.21 mi11:24:5649:077:5424:46
7:58
+0:08
15K
9.32 mi11:51:071:15:188:0526:11
8:26
+0:28
20K
12.43 mi12:17:281:41:398:1126:21
8:29
+0:03
Half
13.11 mi12:23:061:47:178:115:38
8:15
-0:14
25K
15.53 mi12:44:152:08:268:1621:09
8:43
+0:28
30K
18.64 mi13:12:262:36:378:2428:11
9:04
+0:21
20M
20.00 mi13:25:412:49:528:3013:15
9:45
+0:41
21M
21.00 mi13:36:153:00:268:3610:34
10:34
+0:49
35K
21.75 mi13:43:093:07:208:376:54
9:13
-1:21
23M
23.00 mi13:55:183:19:298:4012:09
9:42
+0:29
24M
24.00 mi14:04:323:28:438:429:14
9:14
-0:28
40K
24.85 mi14:12:433:36:548:448:11
9:34
+0:20
25.2M
25.20 mi14:16:033:40:148:443:20
9:40
+0:06
Finish
26.22 mi14:24:413:48:528:448:38
8:28
-1:12

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

7:50 /mi

Average Pace

8:44 /mi

Slowest Pace

10:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:55

51% of race

Time at Steady Pace

1:05:28

29% of race

Time at Slower Pace

47:29

21% 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 mi11:00:1024:217:5024:21
7:50
#15170
10K
6.21 mi11:24:5649:077:5424:46
7:58
#15734
15K
9.32 mi11:51:071:15:188:0526:11
8:26
#16926
20K
12.43 mi12:17:281:41:398:1126:21
8:29
#17210
Half
13.11 mi12:23:061:47:178:115:38
8:15
#17223
25K
15.53 mi12:44:152:08:268:1621:09
8:43
#17399
30K
18.64 mi13:12:262:36:378:2428:11
9:04
#17480
20M
20.00 mi13:25:412:49:528:3013:15
9:45
#17741
21M
21.00 mi13:36:153:00:268:3610:34
10:34
#17973
35K
21.75 mi13:43:093:07:208:376:54
9:13
#18010
23M
23.00 mi13:55:183:19:298:4012:09
9:42
#18126
24M
24.00 mi14:04:323:28:438:429:14
9:14
#18133
40K
24.85 mi14:12:433:36:548:448:11
9:34
#18169
25.2M
25.20 mi14:16:033:40:148:443:20
9:40
#18132
Finish
26.22 mi14:24:413:48:528:448:38
8:28
#18060
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi151704640464018877(Top 66%)6827(Top 56%)6827(Top 687%)
10K6.21 mi3.10 mi15734-5644981-3414981-34116268(Top 57%)5293(Top 43%)5293(Top 532%)
15K9.32 mi3.11 mi16926-11925679-6985679-69818877(Top 66%)6827(Top 56%)6827(Top 687%)
20K12.43 mi3.11 mi17210-2845867-1885867-18818119(Top 64%)6409(Top 52%)6409(Top 645%)
Half13.11 mi0.68 mi17223-135877-105877-1017727(Top 62%)6181(Top 51%)6181(Top 622%)
25K15.53 mi2.42 mi17399-1765998-1215998-12118542(Top 65%)6726(Top 55%)6726(Top 677%)
30K18.64 mi3.11 mi17480-816110-1126110-11218042(Top 64%)6597(Top 54%)6597(Top 664%)
20M20.00 mi1.36 mi17741-2616287-1776287-17720119(Top 71%)7859(Top 64%)7859(Top 791%)
21M21.00 mi1.00 mi17973-2326415-1286415-12820226(Top 71%)8031(Top 66%)8031(Top 808%)
35K21.75 mi0.75 mi18010-376455-406455-4019275(Top 68%)7584(Top 62%)7584(Top 763%)
23M23.00 mi1.25 mi18126-1166566-1116566-11119459(Top 69%)7754(Top 63%)7754(Top 780%)
24M24.00 mi1.00 mi18133-76592-266592-2618517(Top 65%)7301(Top 60%)7301(Top 735%)
40K24.85 mi0.85 mi18169-366640-486640-4819004(Top 67%)7629(Top 62%)7629(Top 768%)
25.2M25.20 mi0.35 mi18132+376628+126628+1215518(Top 55%)5842(Top 48%)5842(Top 588%)
Finish26.22 mi1.02 mi18060+726605+236605+2316071(Top 57%)6066(Top 50%)6066(Top 610%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

18877

Females

6827

F55-59

6827

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

16268

Females

5293

F55-59

5293

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

18877

Females

6827

F55-59

6827

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

18119

Females

6409

F55-59

6409

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

17727

Females

6181

F55-59

6181

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

18542

Females

6726

F55-59

6726

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

18042

Females

6597

F55-59

6597

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

20119

Females

7859

F55-59

7859

20M→21M

20.0 - 21.0 mi

Top 71%
×8story building
+106ft-24ft

Overall

20226

Females

8031

F55-59

8031

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

19275

Females

7584

F55-59

7584

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

19459

Females

7754

F55-59

7754

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

18517

Females

7301

F55-59

7301

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

19004

Females

7629

F55-59

7629

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15518

Females

5842

F55-59

5842

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

16071

Females

6066

F55-59

6066

Passing Analysis

Category:
Athletes Passed
1114
Passed By
4004
Net Change
-2890
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15170
5K → 10K129693-564#15170#15734
10K → 15K311223-1192#15734#16926
15K → 20K111395-284#16926#17210
20K → Half2639-13#17210#17223
Half → 25K126302-176#17223#17399
25K → 30K195276-81#17399#17480
30K → 20M59320-261#17480#17741
20M → 21M39271-232#17741#17973
21M → 35K4784-37#17973#18010
35K → 23M71187-116#18010#18126
23M → 24M7279-7#18126#18133
24M → 40K5894-36#18133#18169
40K → 25.2M4912+37#18169#18132
25.2M → Finish10129+72#18132#18060
TOTALS11144004-2890
📊

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