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BOSTON MARATHON 2025

Casey White

Bib: 15229•F

TN

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 38%
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
7:49/mi
24:16
↑ 97↓ 3451.5%
10K· 6.21 mi
7:46/mi
48:24
↑ 79↓ 1380.4%
15K· 9.32 mi
7:46/mi
1:12:33
↑ 67↓ 78
20K· 12.43 mi
7:58/mi
1:37:18
↑ 106↓ 860.1%
Half· 13.11 mi
8:01/mi
1:42:46
↑ 19↓ 370.5%
25K· 15.53 mi
8:10/mi
2:02:33
↑ 66↓ 880.2%
30K· 18.64 mi
8:29/mi
2:28:55
↑ 181↓ 1480.2%
20M
8:39/mi
2:40:40
↑ 64↓ 500.2%
21M
9:08/mi
2:49:48
↑ 106↓ 241.6%
35K· 21.75 mi
8:12/mi
2:55:56
↑ 17↓ 861.7%
23M
8:42/mi
3:06:49
↑ 23↓ 630.6%
24M
8:34/mi
3:15:23
↓ 821.3%
40K· 24.85 mi
8:45/mi
3:22:52
↓ 200.3%
25.2M
10:09/mi
3:26:22
↑ 13↓ 160.2%
Finish· 26.22 mi
8:43/mi
3:35:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:46
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:52:29
Pace8:35 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:3024:167:4924:16
7:49
-
10K
6.21 mi11:19:3848:247:4724:08
7:46
-0:03
15K
9.32 mi11:43:471:12:337:4724:09
7:46
0:00
20K
12.43 mi12:08:321:37:187:5024:45
7:58
+0:12
Half
13.11 mi12:14:001:42:467:505:28
8:01
+0:03
25K
15.53 mi12:33:472:02:337:5319:47
8:10
+0:09
30K
18.64 mi13:00:092:28:557:5926:22
8:29
+0:19
20M
20.00 mi13:11:542:40:408:0211:45
8:39
+0:10
21M
21.00 mi13:21:022:49:488:059:08
9:08
+0:29
35K
21.75 mi13:27:102:55:568:056:08
8:12
-0:56
23M
23.00 mi13:38:033:06:498:0710:53
8:42
+0:30
24M
24.00 mi13:46:373:15:238:088:34
8:34
-0:08
40K
24.85 mi13:54:063:22:528:107:29
8:45
+0:11
25.2M
25.20 mi13:57:363:26:228:113:30
10:09
+1:24
Finish
26.22 mi14:06:293:35:158:138:53
8:43
-1:26

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

7:46 /mi

Average Pace

8:13 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:33

57% of race

Time at Steady Pace

1:20:04

37% of race

Time at Slower Pace

12:38

6% of race

Average Pace: 8:13 /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 mi10:55:3024:167:4924:16
7:49
#14913
10K
6.21 mi11:19:3848:247:4724:08
7:46
#14692
15K
9.32 mi11:43:471:12:337:4724:09
7:46
#14490
20K
12.43 mi12:08:321:37:187:5024:45
7:58
#14490
Half
13.11 mi12:14:001:42:467:505:28
8:01
#14570
25K
15.53 mi12:33:472:02:337:5319:47
8:10
#14632
30K
18.64 mi13:00:092:28:557:5926:22
8:29
#14618
20M
20.00 mi13:11:542:40:408:0211:45
8:39
#14619
21M
21.00 mi13:21:022:49:488:059:08
9:08
#14567
35K
21.75 mi13:27:102:55:568:056:08
8:12
#14499
23M
23.00 mi13:38:033:06:498:0710:53
8:42
#14487
24M
24.00 mi13:46:373:15:238:088:34
8:34
#14489
40K
24.85 mi13:54:063:22:528:107:29
8:45
#14477
25.2M
25.20 mi13:57:363:26:228:113:30
10:09
#14532
Finish
26.22 mi14:06:293:35:158:138:53
8:43
#14626
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi149134472447214149(Top 50%)4106(Top 34%)4106(Top 75%)
10K6.21 mi3.10 mi14692+2214363+1094363+10914535(Top 51%)4272(Top 35%)4272(Top 78%)
15K9.32 mi3.11 mi14490+2024249+1144249+11414149(Top 50%)4106(Top 34%)4106(Top 75%)
20K12.43 mi3.11 mi144904283-344283-3414679(Top 52%)4472(Top 37%)4472(Top 82%)
Half13.11 mi0.68 mi14570-804329-464329-4616026(Top 56%)5187(Top 42%)5187(Top 95%)
25K15.53 mi2.42 mi14632-624413-844413-8415054(Top 53%)4761(Top 39%)4761(Top 87%)
30K18.64 mi3.11 mi14618+144454-414454-4114662(Top 52%)4716(Top 39%)4716(Top 86%)
20M20.00 mi1.36 mi14619-14485-314485-3114715(Top 52%)4890(Top 40%)4890(Top 89%)
21M21.00 mi1.00 mi14567+524481+44481+414285(Top 50%)4778(Top 39%)4778(Top 87%)
35K21.75 mi0.75 mi14499+684453+284453+2813664(Top 48%)4511(Top 37%)4511(Top 82%)
23M23.00 mi1.25 mi14487+124480-274480-2714520(Top 51%)5078(Top 42%)5078(Top 93%)
24M24.00 mi1.00 mi14489-24508-284508-2814955(Top 53%)5350(Top 44%)5350(Top 98%)
40K24.85 mi0.85 mi14477+124532-244532-2414935(Top 53%)5480(Top 45%)5480(Top 100%)
25.2M25.20 mi0.35 mi14532-554582-504582-5017695(Top 62%)6947(Top 57%)6947(Top 127%)
Finish26.22 mi1.02 mi14626-944662-804662-8017589(Top 62%)6857(Top 56%)6857(Top 125%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

14149

Females

4106

F18-39

4106

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

14535

Females

4272

F18-39

4272

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

14149

Females

4106

F18-39

4106

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

14679

Females

4472

F18-39

4472

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

16026

Females

5187

F18-39

5187

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

15054

Females

4761

F18-39

4761

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

14662

Females

4716

F18-39

4716

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

14715

Females

4890

F18-39

4890

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

14285

Females

4778

F18-39

4778

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

13664

Females

4511

F18-39

4511

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

14520

Females

5078

F18-39

5078

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

14955

Females

5350

F18-39

5350

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14935

Females

5480

F18-39

5480

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17695

Females

6947

F18-39

6947

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

17589

Females

6857

F18-39

6857

Passing Analysis

Category:
Athletes Passed
2019
Passed By
1732
Net Change
+287
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14913
5K → 10K413192+221#14913#14692
10K → 15K30098+202#14692#14490
15K → 20K2012010#14490#14490
20K → Half1595-80#14490#14570
Half → 25K157219-62#14570#14632
25K → 30K256242+14#14632#14618
30K → 20M138139-1#14618#14619
20M → 21M12876+52#14619#14567
21M → 35K10335+68#14567#14499
35K → 23M10795+12#14499#14487
23M → 24M6264-2#14487#14489
24M → 40K8169+12#14489#14477
40K → 25.2M1974-55#14477#14532
25.2M → Finish39133-94#14532#14626
TOTALS20191732+287
📊

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