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BOSTON MARATHON 2025

Crystal Mire

Bib: 27996•F

LA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
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
8:56/mi
27:46
↑ 97↓ 3451.5%
10K· 6.21 mi
8:47/mi
55:03
↑ 79↓ 1380.4%
15K· 9.32 mi
8:52/mi
1:22:37
↑ 67↓ 78
20K· 12.43 mi
9:01/mi
1:50:38
↑ 106↓ 860.1%
Half· 13.11 mi
8:54/mi
1:56:42
↑ 19↓ 370.5%
25K· 15.53 mi
9:22/mi
2:19:24
↑ 66↓ 880.2%
30K· 18.64 mi
9:42/mi
2:49:31
↑ 181↓ 1480.2%
20M
9:35/mi
3:02:32
↑ 64↓ 500.2%
21M
10:10/mi
3:12:42
↑ 106↓ 241.6%
35K· 21.75 mi
9:37/mi
3:19:54
↑ 17↓ 861.7%
23M
9:37/mi
3:31:56
↑ 23↓ 630.6%
24M
9:24/mi
3:41:20
↓ 821.3%
40K· 24.85 mi
9:12/mi
3:49:12
↓ 200.3%
25.2M
10:09/mi
3:52:42
↑ 13↓ 160.2%
Finish· 26.22 mi
9:15/mi
4:02:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:42
Pace8:54 /mi
2nd Half
Distance13.11 mi
Time2:05:26
Pace9:34 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:1827:468:5627:46
8:56
-
10K
6.21 mi12:13:3555:038:5227:17
8:47
-0:09
15K
9.32 mi12:41:091:22:378:5227:34
8:52
+0:05
20K
12.43 mi13:09:101:50:388:5428:01
9:01
+0:09
Half
13.11 mi13:15:141:56:428:546:04
8:54
-0:07
25K
15.53 mi13:37:562:19:248:5822:42
9:22
+0:28
30K
18.64 mi14:08:032:49:319:0630:07
9:42
+0:20
20M
20.00 mi14:21:043:02:329:0813:01
9:35
-0:07
21M
21.00 mi14:31:143:12:429:1110:10
10:10
+0:35
35K
21.75 mi14:38:263:19:549:117:12
9:37
-0:33
23M
23.00 mi14:50:283:31:569:1312:02
9:37
0:00
24M
24.00 mi14:59:523:41:209:139:24
9:24
-0:13
40K
24.85 mi15:07:443:49:129:137:52
9:12
-0:12
25.2M
25.20 mi15:11:143:52:429:143:30
10:09
+0:57
Finish
26.22 mi15:20:404:02:089:159:26
9:15
-0:54

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

8:47 /mi

Average Pace

9:15 /mi

Slowest Pace

10:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:18:21

82% of race

Time at Steady Pace

43:47

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:14 /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 mi11:46:1827:468:5627:46
8:56
#22167
10K
6.21 mi12:13:3555:038:5227:17
8:47
#21760
15K
9.32 mi12:41:091:22:378:5227:34
8:52
#21622
20K
12.43 mi13:09:101:50:388:5428:01
9:01
#21459
Half
13.11 mi13:15:141:56:428:546:04
8:54
#21445
25K
15.53 mi13:37:562:19:248:5822:42
9:22
#21449
30K
18.64 mi14:08:032:49:319:0630:07
9:42
#21303
20M
20.00 mi14:21:043:02:329:0813:01
9:35
#21147
21M
21.00 mi14:31:143:12:429:1110:10
10:10
#21003
35K
21.75 mi14:38:263:19:549:117:12
9:37
#20994
23M
23.00 mi14:50:283:31:569:1312:02
9:37
#20895
24M
24.00 mi14:59:523:41:209:139:24
9:24
#20824
40K
24.85 mi15:07:443:49:129:137:52
9:12
#20703
25.2M
25.20 mi15:11:143:52:429:143:30
10:09
#20665
Finish
26.22 mi15:20:404:02:089:159:26
9:15
#20652
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi221678716871621424(Top 75%)8232(Top 67%)8232(Top 479%)
10K6.21 mi3.10 mi21760+4078478+2388478+23821327(Top 75%)8210(Top 67%)8210(Top 478%)
15K9.32 mi3.11 mi21622+1388379+998379+9921424(Top 75%)8232(Top 67%)8232(Top 479%)
20K12.43 mi3.11 mi21459+1638293+868293+8621074(Top 74%)8102(Top 66%)8102(Top 472%)
Half13.11 mi0.68 mi21445+148282+118282+1121385(Top 75%)8246(Top 67%)8246(Top 480%)
25K15.53 mi2.42 mi21449-48296-148296-1421410(Top 75%)8312(Top 68%)8312(Top 484%)
30K18.64 mi3.11 mi21303+1468252+448252+4420679(Top 73%)8035(Top 66%)8035(Top 468%)
20M20.00 mi1.36 mi21147+1568189+638189+6319546(Top 69%)7555(Top 62%)7555(Top 440%)
21M21.00 mi1.00 mi21003+1448120+698120+6918937(Top 67%)7308(Top 60%)7308(Top 425%)
35K21.75 mi0.75 mi20994+98132-128132-1220781(Top 73%)8382(Top 69%)8382(Top 488%)
23M23.00 mi1.25 mi20895+998106+268106+2619136(Top 67%)7580(Top 62%)7580(Top 441%)
24M24.00 mi1.00 mi20824+718078+288078+2819257(Top 68%)7685(Top 63%)7685(Top 447%)
40K24.85 mi0.85 mi20703+1218029+498029+4917396(Top 61%)6814(Top 56%)6814(Top 397%)
25.2M25.20 mi0.35 mi20665+388018+118018+1117768(Top 63%)7020(Top 57%)7020(Top 409%)
Finish26.22 mi1.02 mi20652+138029-118029-1120230(Top 71%)8264(Top 68%)8264(Top 481%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

21424

Females

8232

F40-44

8232

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

21327

Females

8210

F40-44

8210

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

21424

Females

8232

F40-44

8232

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

21074

Females

8102

F40-44

8102

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

21385

Females

8246

F40-44

8246

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

21410

Females

8312

F40-44

8312

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

20679

Females

8035

F40-44

8035

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

19546

Females

7555

F40-44

7555

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

18937

Females

7308

F40-44

7308

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

20781

Females

8382

F40-44

8382

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

19136

Females

7580

F40-44

7580

23M→24M

23.0 - 24.0 mi

Top 68%
×6story building
+12ft-82ft

Overall

19257

Females

7685

F40-44

7685

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17396

Females

6814

F40-44

6814

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17768

Females

7020

F40-44

7020

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

20230

Females

8264

F40-44

8264

Passing Analysis

Category:
Athletes Passed
2373
Passed By
858
Net Change
+1515
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22167
5K → 10K511104+407#22167#21760
10K → 15K272134+138#21760#21622
15K → 20K279116+163#21622#21459
20K → Half3420+14#21459#21445
Half → 25K148152-4#21445#21449
25K → 30K261115+146#21449#21303
30K → 20M18125+156#21303#21147
20M → 21M16824+144#21147#21003
21M → 35K6556+9#21003#20994
35K → 23M13839+99#20994#20895
23M → 24M9221+71#20895#20824
24M → 40K1309+121#20824#20703
40K → 25.2M413+38#20703#20665
25.2M → Finish5340+13#20665#20652
TOTALS2373858+1515
📊

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