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BOSTON MARATHON 2025

Ilyza Holman

Bib: 27055•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
9:01/mi
28:02
↑ 97↓ 3451.5%
10K· 6.21 mi
9:08/mi
56:26
↑ 79↓ 1380.4%
15K· 9.32 mi
10:03/mi
1:27:40
↑ 67↓ 78
20K· 12.43 mi
10:36/mi
2:00:37
↑ 106↓ 860.1%
Half· 13.11 mi
12:03/mi
2:08:50
↑ 19↓ 370.5%
25K· 15.53 mi
10:45/mi
2:34:54
↑ 66↓ 880.2%
30K· 18.64 mi
11:58/mi
3:12:04
↑ 181↓ 1480.2%
20M
11:05/mi
3:27:08
↑ 64↓ 500.2%
21M
12:32/mi
3:39:40
↑ 106↓ 241.6%
35K· 21.75 mi
11:27/mi
3:48:14
↑ 17↓ 861.7%
23M
11:39/mi
4:02:49
↑ 23↓ 630.6%
24M
10:56/mi
4:13:45
↓ 821.3%
40K· 24.85 mi
11:48/mi
4:23:50
↓ 200.3%
25.2M
12:43/mi
4:28:13
↑ 13↓ 160.2%
Finish· 26.22 mi
10:08/mi
4:38:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:50
Pace9:50 /mi
2nd Half
Distance13.11 mi
Time2:29:43
Pace11:25 /mi
📊Positive Split: 16.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:5028:029:0128:02
9:01
-
10K
6.21 mi12:12:1456:269:0528:24
9:08
+0:07
15K
9.32 mi12:43:281:27:409:2431:14
10:03
+0:55
20K
12.43 mi13:16:252:00:379:4232:57
10:36
+0:33
Half
13.11 mi13:24:382:08:509:508:13
12:03
+1:27
25K
15.53 mi13:50:422:34:549:5826:04
10:45
-1:18
30K
18.64 mi14:27:523:12:0410:1837:10
11:58
+1:13
20M
20.00 mi14:42:563:27:0810:2115:04
11:05
-0:53
21M
21.00 mi14:55:283:39:4010:2812:32
12:32
+1:27
35K
21.75 mi15:04:023:48:1410:308:34
11:27
-1:05
23M
23.00 mi15:18:374:02:4910:3314:35
11:39
+0:12
24M
24.00 mi15:29:334:13:4510:3410:56
10:56
-0:43
40K
24.85 mi15:39:384:23:5010:3710:05
11:48
+0:52
25.2M
25.20 mi15:44:014:28:1310:394:23
12:43
+0:55
Finish
26.22 mi15:54:214:38:3310:3810:20
10:08
-2:35

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

9:01 /mi

Average Pace

10:38 /mi

Slowest Pace

12:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:00

35% of race

Time at Steady Pace

1:33:35

34% of race

Time at Slower Pace

1:26:58

31% of race

Average Pace: 10:37 /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 mi11:43:5028:029:0128:02
9:01
#22501
10K
6.21 mi12:12:1456:269:0528:24
9:08
#22744
15K
9.32 mi12:43:281:27:409:2431:14
10:03
#23768
20K
12.43 mi13:16:252:00:379:4232:57
10:36
#24318
Half
13.11 mi13:24:382:08:509:508:13
12:03
#24593
25K
15.53 mi13:50:422:34:549:5826:04
10:45
#24645
30K
18.64 mi14:27:523:12:0410:1837:10
11:58
#24872
20M
20.00 mi14:42:563:27:0810:2115:04
11:05
#24792
21M
21.00 mi14:55:283:39:4010:2812:32
12:32
#24782
35K
21.75 mi15:04:023:48:1410:308:34
11:27
#24799
23M
23.00 mi15:18:374:02:4910:3314:35
11:39
#24804
24M
24.00 mi15:29:334:13:4510:3410:56
10:56
#24768
40K
24.85 mi15:39:384:23:5010:3710:05
11:48
#24765
25.2M
25.20 mi15:44:014:28:1310:394:23
12:43
#24768
Finish
26.22 mi15:54:214:38:3310:3810:20
10:08
#24742
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi225018909890925091(Top 88%)10269(Top 84%)10269(Top 188%)
10K6.21 mi3.10 mi22744-2439014-1059014-10522954(Top 81%)9107(Top 74%)9107(Top 167%)
15K9.32 mi3.11 mi23768-10249555-5419555-54125091(Top 88%)10269(Top 84%)10269(Top 188%)
20K12.43 mi3.11 mi24318-5509872-3179872-31725363(Top 89%)10459(Top 86%)10459(Top 191%)
Half13.11 mi0.68 mi24593-27510023-15110023-15127478(Top 97%)11701(Top 96%)11701(Top 214%)
25K15.53 mi2.42 mi24645-5210055-3210055-3224801(Top 87%)10182(Top 83%)10182(Top 186%)
30K18.64 mi3.11 mi24872-22710207-15210207-15225541(Top 90%)10699(Top 87%)10699(Top 196%)
20M20.00 mi1.36 mi24792+8010180+2710180+2723761(Top 84%)9828(Top 80%)9828(Top 180%)
21M21.00 mi1.00 mi24782+1010183-310183-324427(Top 86%)10251(Top 84%)10251(Top 187%)
35K21.75 mi0.75 mi24799-1710202-1910202-1925006(Top 88%)10589(Top 87%)10589(Top 194%)
23M23.00 mi1.25 mi24804-510220-1810220-1824491(Top 86%)10343(Top 85%)10343(Top 189%)
24M24.00 mi1.00 mi24768+3610218+210218+223829(Top 84%)10038(Top 82%)10038(Top 184%)
40K24.85 mi0.85 mi24765+310232-1410232-1424609(Top 87%)10481(Top 86%)10481(Top 192%)
25.2M25.20 mi0.35 mi24768-310236-410236-424525(Top 86%)10433(Top 85%)10433(Top 191%)
Finish26.22 mi1.02 mi24742+2610232+410232+423320(Top 82%)9834(Top 80%)9834(Top 180%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

25091

Females

10269

F18-39

10269

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

22954

Females

9107

F18-39

9107

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

25091

Females

10269

F18-39

10269

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

25363

Females

10459

F18-39

10459

20K→Half

12.4 - 13.1 mi

Top 97%
×2story building
+19ft-37ft

Overall

27478

Females

11701

F18-39

11701

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

24801

Females

10182

F18-39

10182

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

25541

Females

10699

F18-39

10699

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

23761

Females

9828

F18-39

9828

20M→21M

20.0 - 21.0 mi

Top 86%
×8story building
+106ft-24ft

Overall

24427

Females

10251

F18-39

10251

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

25006

Females

10589

F18-39

10589

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

24491

Females

10343

F18-39

10343

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

23829

Females

10038

F18-39

10038

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

24609

Females

10481

F18-39

10481

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24525

Females

10433

F18-39

10433

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2story building
+22ft-21ft

Overall

23320

Females

9834

F18-39

9834

Passing Analysis

Category:
Athletes Passed
744
Passed By
2985
Net Change
-2241
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22501
5K → 10K156399-243#22501#22744
10K → 15K241048-1024#22744#23768
15K → 20K24574-550#23768#24318
20K → Half3278-275#24318#24593
Half → 25K85137-52#24593#24645
25K → 30K73300-227#24645#24872
30K → 20M10222+80#24872#24792
20M → 21M4838+10#24792#24782
21M → 35K2845-17#24782#24799
35K → 23M4752-5#24799#24804
23M → 24M5923+36#24804#24768
24M → 40K3229+3#24768#24765
40K → 25.2M1821-3#24765#24768
25.2M → Finish4519+26#24768#24742
TOTALS7442985-2241
📊

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