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BOSTON MARATHON 2025

Crystal Barton

OH

Bib: 16879 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:51/mi
27:30
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:15/mi
56:14
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:31/mi
1:25:48
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
10:03/mi
1:57:00
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:54/mi
2:03:45
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:11/mi
2:28:27
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
11:00/mi
3:02:37
↑ 181↓ 1480.2%
138 ft elev
20M
10:31/mi
3:16:55
↑ 64↓ 500.2%
148 ft elev
21M
11:34/mi
3:28:29
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:21/mi
3:35:29
↑ 17↓ 861.7%
156 ft elev
23M
10:09/mi
3:48:11
↑ 23↓ 630.6%
116 ft elev
24M
9:53/mi
3:58:04
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:08/mi
4:06:44
↓ 200.3%
20 ft elev
25.2M
11:36/mi
4:10:44
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:52/mi
4:20:47
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:45
Pace9:26 /mi
2nd Half
Distance13.11 mi
Time2:17:02
Pace10:27 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:01:3827:308:5127:30
8:51
-
10K
6.21 mi11:30:2256:149:0328:44
9:15
+0:24
15K
9.32 mi11:59:561:25:489:1229:34
9:31
+0:16
20K
12.43 mi12:31:081:57:009:2531:12
10:03
+0:32
Half
13.11 mi12:37:532:03:459:266:45
9:54
-0:09
25K
15.53 mi13:02:352:28:279:3324:42
10:11
+0:17
30K
18.64 mi13:36:453:02:379:4834:10
11:00
+0:49
20M
20.00 mi13:51:033:16:559:5114:18
10:31
-0:29
21M
21.00 mi14:02:373:28:299:5611:34
11:34
+1:03
35K
21.75 mi14:09:373:35:299:547:00
9:21
-2:13
23M
23.00 mi14:22:193:48:119:5512:42
10:09
+0:48
24M
24.00 mi14:32:123:58:049:559:53
9:53
-0:16
40K
24.85 mi14:40:524:06:449:568:40
10:08
+0:15
25.2M
25.20 mi14:44:524:10:449:574:00
11:36
+1:28
Finish
26.22 mi14:54:554:20:479:5710:03
9:52
-1:44

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

8:51 /mi

Average Pace

9:57 /mi

Slowest Pace

11:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:48

36% of race

Time at Steady Pace

1:43:57

40% of race

Time at Slower Pace

1:04:02

25% of race

Average Pace: 9:57 /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 mi11:01:3827:308:5127:30
8:51
#21777
10K
6.21 mi11:30:2256:149:0328:44
9:15
#22628
15K
9.32 mi11:59:561:25:489:1229:34
9:31
#23140
20K
12.43 mi12:31:081:57:009:2531:12
10:03
#23514
Half
13.11 mi12:37:532:03:459:266:45
9:54
#23590
25K
15.53 mi13:02:352:28:279:3324:42
10:11
#23579
30K
18.64 mi13:36:453:02:379:4834:10
11:00
#23657
20M
20.00 mi13:51:033:16:559:5114:18
10:31
#23571
21M
21.00 mi14:02:373:28:299:5611:34
11:34
#23518
35K
21.75 mi14:09:373:35:299:547:00
9:21
#23373
23M
23.00 mi14:22:193:48:119:5512:42
10:09
#23256
24M
24.00 mi14:32:123:58:049:559:53
9:53
#23165
40K
24.85 mi14:40:524:06:449:568:40
10:08
#23069
25.2M
25.20 mi14:44:524:10:449:574:00
11:36
#23064
Finish
26.22 mi14:54:554:20:479:5710:03
9:52
#23042
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi217778505850523799(Top 84%)9541(Top 78%)9541(Top 526%)
10K6.21 mi3.10 mi22628-8518954-4498954-44923367(Top 82%)9336(Top 76%)9336(Top 515%)
15K9.32 mi3.11 mi23140-5129209-2559209-25523799(Top 84%)9541(Top 78%)9541(Top 526%)
20K12.43 mi3.11 mi23514-3749412-2039412-20324316(Top 86%)9888(Top 81%)9888(Top 545%)
Half13.11 mi0.68 mi23590-769458-469458-4624606(Top 87%)10053(Top 82%)10053(Top 554%)
25K15.53 mi2.42 mi23579+119467-99467-923699(Top 83%)9589(Top 78%)9589(Top 529%)
30K18.64 mi3.11 mi23657-789545-789545-7823998(Top 84%)9866(Top 81%)9866(Top 544%)
20M20.00 mi1.36 mi23571+869517+289517+2822511(Top 79%)9163(Top 75%)9163(Top 505%)
21M21.00 mi1.00 mi23518+539508+99508+922758(Top 80%)9374(Top 77%)9374(Top 517%)
35K21.75 mi0.75 mi23373+1459444+649444+6419838(Top 70%)7904(Top 65%)7904(Top 436%)
23M23.00 mi1.25 mi23256+1179405+399405+3920960(Top 74%)8537(Top 70%)8537(Top 471%)
24M24.00 mi1.00 mi23165+919381+249381+2421028(Top 74%)8621(Top 71%)8621(Top 476%)
40K24.85 mi0.85 mi23069+969345+369345+3620920(Top 74%)8629(Top 71%)8629(Top 476%)
25.2M25.20 mi0.35 mi23064+59343+29343+222344(Top 79%)9327(Top 76%)9327(Top 514%)
Finish26.22 mi1.02 mi23042+229341+29341+222524(Top 79%)9429(Top 77%)9429(Top 520%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

23799

Females

9541

F45-49

9541

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

23367

Females

9336

F45-49

9336

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

23799

Females

9541

F45-49

9541

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

24316

Females

9888

F45-49

9888

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

24606

Females

10053

F45-49

10053

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

23699

Females

9589

F45-49

9589

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

23998

Females

9866

F45-49

9866

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

22511

Females

9163

F45-49

9163

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

22758

Females

9374

F45-49

9374

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

19838

Females

7904

F45-49

7904

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

20960

Females

8537

F45-49

8537

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

21028

Females

8621

F45-49

8621

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

20920

Females

8629

F45-49

8629

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

22344

Females

9327

F45-49

9327

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

22524

Females

9429

F45-49

9429

Passing Analysis

Category:
Athletes Passed
1208
Passed By
2473
Net Change
-1265
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21777
5K → 10K54905-851#21777#22628
10K → 15K62574-512#22628#23140
15K → 20K70444-374#23140#23514
20K → Half581-76#23514#23590
Half → 25K133122+11#23590#23579
25K → 30K123201-78#23579#23657
30K → 20M12236+86#23657#23571
20M → 21M9643+53#23571#23518
21M → 35K1483+145#23518#23373
35K → 23M1258+117#23373#23256
23M → 24M10312+91#23256#23165
24M → 40K10610+96#23165#23069
40K → 25.2M149+5#23069#23064
25.2M → Finish4725+22#23064#23042
TOTALS12082473-1265
📊

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