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BOSTON MARATHON 2025

Nicole Erazo

Bib: 24333•F

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
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
9:08/mi
28:22
↑ 97↓ 3451.5%
10K· 6.21 mi
9:11/mi
56:54
↑ 79↓ 1380.4%
15K· 9.32 mi
9:25/mi
1:26:08
↑ 67↓ 78
20K· 12.43 mi
9:46/mi
1:56:28
↑ 106↓ 860.1%
Half· 13.11 mi
9:54/mi
2:03:13
↑ 19↓ 370.5%
25K· 15.53 mi
10:15/mi
2:28:04
↑ 66↓ 880.2%
30K· 18.64 mi
10:28/mi
3:00:34
↑ 181↓ 1480.2%
20M
10:42/mi
3:15:07
↑ 64↓ 500.2%
21M
11:20/mi
3:26:27
↑ 106↓ 241.6%
35K· 21.75 mi
10:55/mi
3:34:37
↑ 17↓ 861.7%
23M
11:12/mi
3:48:38
↑ 23↓ 630.6%
24M
10:52/mi
3:59:30
↓ 821.3%
40K· 24.85 mi
12:10/mi
4:09:54
↓ 200.3%
25.2M
13:46/mi
4:14:39
↑ 13↓ 160.2%
Finish· 26.22 mi
10:19/mi
4:25:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:13
Pace9:24 /mi
2nd Half
Distance13.11 mi
Time2:21:57
Pace10:50 /mi
📊Positive Split: 15.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:0328:229:0828:22
9:08
-
10K
6.21 mi11:56:3556:549:0928:32
9:11
+0:03
15K
9.32 mi12:25:491:26:089:1429:14
9:25
+0:14
20K
12.43 mi12:56:091:56:289:2230:20
9:46
+0:21
Half
13.11 mi13:02:542:03:139:246:45
9:54
+0:08
25K
15.53 mi13:27:452:28:049:3224:51
10:15
+0:21
30K
18.64 mi14:00:153:00:349:4132:30
10:28
+0:13
20M
20.00 mi14:14:483:15:079:4514:33
10:42
+0:14
21M
21.00 mi14:26:083:26:279:5011:20
11:20
+0:38
35K
21.75 mi14:34:183:34:379:528:10
10:55
-0:25
23M
23.00 mi14:48:193:48:389:5614:01
11:12
+0:17
24M
24.00 mi14:59:113:59:309:5910:52
10:52
-0:20
40K
24.85 mi15:09:354:09:5410:0310:24
12:10
+1:18
25.2M
25.20 mi15:14:204:14:3910:064:45
13:46
+1:36
Finish
26.22 mi15:24:514:25:1010:0710:31
10:19
-3:27

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

9:08 /mi

Average Pace

10:07 /mi

Slowest Pace

13:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:28

44% of race

Time at Steady Pace

1:48:12

41% of race

Time at Slower Pace

40:30

15% of race

Average Pace: 10:07 /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 mi11:28:0328:229:0828:22
9:08
#22971
10K
6.21 mi11:56:3556:549:0928:32
9:11
#23054
15K
9.32 mi12:25:491:26:089:1429:14
9:25
#23244
20K
12.43 mi12:56:091:56:289:2230:20
9:46
#23358
Half
13.11 mi13:02:542:03:139:246:45
9:54
#23447
25K
15.53 mi13:27:452:28:049:3224:51
10:15
#23512
30K
18.64 mi14:00:153:00:349:4132:30
10:28
#23366
20M
20.00 mi14:14:483:15:079:4514:33
10:42
#23300
21M
21.00 mi14:26:083:26:279:5011:20
11:20
#23235
35K
21.75 mi14:34:183:34:379:528:10
10:55
#23277
23M
23.00 mi14:48:193:48:389:5614:01
11:12
#23312
24M
24.00 mi14:59:113:59:309:5910:52
10:52
#23325
40K
24.85 mi15:09:354:09:5410:0310:24
12:10
#23416
25.2M
25.20 mi15:14:204:14:3910:064:45
13:46
#23498
Finish
26.22 mi15:24:514:25:1010:0710:31
10:19
#23506
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi229719155915523506(Top 83%)9381(Top 77%)9381(Top 944%)
10K6.21 mi3.10 mi23054-839179-249179-2423143(Top 81%)9211(Top 75%)9211(Top 927%)
15K9.32 mi3.11 mi23244-1909262-839262-8323506(Top 83%)9381(Top 77%)9381(Top 944%)
20K12.43 mi3.11 mi23358-1149318-569318-5623670(Top 83%)9526(Top 78%)9526(Top 958%)
Half13.11 mi0.68 mi23447-899369-519369-5124609(Top 87%)10056(Top 82%)10056(Top 1012%)
25K15.53 mi2.42 mi23512-659426-579426-5723833(Top 84%)9653(Top 79%)9653(Top 971%)
30K18.64 mi3.11 mi23366+1469385+419385+4122856(Top 80%)9243(Top 76%)9243(Top 930%)
20M20.00 mi1.36 mi23300+669361+249361+2422974(Top 81%)9409(Top 77%)9409(Top 947%)
21M21.00 mi1.00 mi23235+659354+79354+722246(Top 78%)9107(Top 74%)9107(Top 916%)
35K21.75 mi0.75 mi23277-429393-399393-3924037(Top 85%)10077(Top 82%)10077(Top 1014%)
23M23.00 mi1.25 mi23312-359427-349427-3423663(Top 83%)9929(Top 81%)9929(Top 999%)
24M24.00 mi1.00 mi23325-139453-269453-2623712(Top 83%)9983(Top 82%)9983(Top 1004%)
40K24.85 mi0.85 mi23416-919512-599512-5925188(Top 89%)10759(Top 88%)10759(Top 1082%)
25.2M25.20 mi0.35 mi23498-829575-639575-6326043(Top 92%)11201(Top 92%)11201(Top 1127%)
Finish26.22 mi1.02 mi23506-89589-149589-1423850(Top 84%)10094(Top 83%)10094(Top 1015%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

23506

Females

9381

F55-59

9381

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

23143

Females

9211

F55-59

9211

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

23506

Females

9381

F55-59

9381

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

23670

Females

9526

F55-59

9526

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

24609

Females

10056

F55-59

10056

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

23833

Females

9653

F55-59

9653

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

22856

Females

9243

F55-59

9243

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

22974

Females

9409

F55-59

9409

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

22246

Females

9107

F55-59

9107

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

24037

Females

10077

F55-59

10077

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

23663

Females

9929

F55-59

9929

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

23712

Females

9983

F55-59

9983

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

25188

Females

10759

F55-59

10759

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

26043

Females

11201

F55-59

11201

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

23850

Females

10094

F55-59

10094

Passing Analysis

Category:
Athletes Passed
1181
Passed By
1716
Net Change
-535
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22971
5K → 10K188271-83#22971#23054
10K → 15K112302-190#23054#23244
15K → 20K119233-114#23244#23358
20K → Half11100-89#23358#23447
Half → 25K107172-65#23447#23512
25K → 30K23791+146#23512#23366
30K → 20M10842+66#23366#23300
20M → 21M10035+65#23300#23235
21M → 35K2668-42#23235#23277
35K → 23M4883-35#23277#23312
23M → 24M4861-13#23312#23325
24M → 40K28119-91#23325#23416
40K → 25.2M991-82#23416#23498
25.2M → Finish4048-8#23498#23506
TOTALS11811716-535
📊

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