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BOSTON MARATHON 2025

Kristen Beiza

Bib: 15620•F

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 48%
Gender (Female)
#0 / 12228
Top 34%
Masters (Masters Women)
#0 / 6759
Top 19%
Division (F40-44)
#0 / 1718
Top 40%
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
7:22/mi
22:52
↑ 97↓ 3451.5%
10K· 6.21 mi
7:24/mi
45:50
↑ 79↓ 1380.4%
15K· 9.32 mi
7:26/mi
1:08:57
↑ 67↓ 78
20K· 12.43 mi
7:29/mi
1:32:13
↑ 106↓ 860.1%
Half· 13.11 mi
7:26/mi
1:37:17
↑ 19↓ 370.5%
25K· 15.53 mi
7:35/mi
1:55:40
↑ 66↓ 880.2%
30K· 18.64 mi
7:56/mi
2:20:19
↑ 181↓ 1480.2%
20M
7:58/mi
2:31:08
↑ 64↓ 500.2%
21M
8:45/mi
2:39:53
↑ 106↓ 241.6%
35K· 21.75 mi
7:34/mi
2:45:33
↑ 17↓ 861.7%
23M
7:52/mi
2:55:24
↑ 23↓ 630.6%
24M
7:40/mi
3:03:04
↓ 821.3%
40K· 24.85 mi
7:56/mi
3:09:51
↓ 200.3%
25.2M
15:02/mi
3:15:02
↑ 13↓ 160.2%
Finish· 26.22 mi
16:30/mi
3:31:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:17
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:54:34
Pace8:44 /mi
📊Positive Split: 17.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0922:527:2222:52
7:22
-
10K
6.21 mi11:17:0745:507:2322:58
7:24
+0:02
15K
9.32 mi11:40:141:08:577:2423:07
7:26
+0:02
20K
12.43 mi12:03:301:32:137:2523:16
7:29
+0:03
Half
13.11 mi12:08:341:37:177:255:04
7:26
-0:03
25K
15.53 mi12:26:571:55:407:2718:23
7:35
+0:09
30K
18.64 mi12:51:362:20:197:3224:39
7:56
+0:21
20M
20.00 mi13:02:252:31:087:3310:49
7:58
+0:02
21M
21.00 mi13:11:102:39:537:378:45
8:45
+0:47
35K
21.75 mi13:16:502:45:337:375:40
7:34
-1:11
23M
23.00 mi13:26:412:55:247:389:51
7:52
+0:18
24M
24.00 mi13:34:213:03:047:387:40
7:40
-0:12
40K
24.85 mi13:41:083:09:517:386:47
7:56
+0:16
25.2M
25.20 mi13:46:193:15:027:445:11
15:02
+7:06
Finish
26.22 mi14:03:083:31:518:0516:49
16:30
+1:28

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

7:22 /mi

Average Pace

8:05 /mi

Slowest Pace

16:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:09:51

90% of race

Time at Slower Pace

22:00

10% of race

Average Pace: 8:05 /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 mi10:54:0922:527:2222:52
7:22
#10973
10K
6.21 mi11:17:0745:507:2322:58
7:24
#11025
15K
9.32 mi11:40:141:08:577:2423:07
7:26
#11048
20K
12.43 mi12:03:301:32:137:2523:16
7:29
#10944
Half
13.11 mi12:08:341:37:177:255:04
7:26
#10942
25K
15.53 mi12:26:571:55:407:2718:23
7:35
#10863
30K
18.64 mi12:51:362:20:197:3224:39
7:56
#10841
20M
20.00 mi13:02:252:31:087:3310:49
7:58
#10752
21M
21.00 mi13:11:102:39:537:378:45
8:45
#10780
35K
21.75 mi13:16:502:45:337:375:40
7:34
#10701
23M
23.00 mi13:26:412:55:247:389:51
7:52
#10567
24M
24.00 mi13:34:213:03:047:387:40
7:40
#10461
40K
24.85 mi13:41:083:09:517:386:47
7:56
#10395
25.2M
25.20 mi13:46:193:15:027:445:11
15:02
#11033
Finish
26.22 mi14:03:083:31:518:0516:49
16:30
#13705
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi109732276227611269(Top 40%)2518(Top 21%)2518(Top 147%)
10K6.21 mi3.10 mi11025-522316-402316-4011146(Top 39%)2390(Top 20%)2390(Top 139%)
15K9.32 mi3.11 mi11048-232348-322348-3211269(Top 40%)2518(Top 21%)2518(Top 147%)
20K12.43 mi3.11 mi10944+1042309+392309+3910692(Top 38%)2315(Top 19%)2315(Top 135%)
Half13.11 mi0.68 mi10942+22315-62315-611208(Top 39%)2549(Top 21%)2549(Top 148%)
25K15.53 mi2.42 mi10863+792314+12314+110642(Top 37%)2406(Top 20%)2406(Top 140%)
30K18.64 mi3.11 mi10841+222383-692383-6910927(Top 38%)2746(Top 22%)2746(Top 160%)
20M20.00 mi1.36 mi10752+892386-32386-310220(Top 36%)2557(Top 21%)2557(Top 149%)
21M21.00 mi1.00 mi10780-282436-502436-5012023(Top 42%)3616(Top 30%)3616(Top 210%)
35K21.75 mi0.75 mi10701+792410+262410+269245(Top 33%)2267(Top 19%)2267(Top 132%)
23M23.00 mi1.25 mi10567+1342384+262384+269099(Top 32%)2316(Top 19%)2316(Top 135%)
24M24.00 mi1.00 mi10461+1062368+162368+168956(Top 32%)2319(Top 19%)2319(Top 135%)
40K24.85 mi0.85 mi10395+662364+42364+49767(Top 34%)2826(Top 23%)2826(Top 164%)
25.2M25.20 mi0.35 mi11033-6382728-3642728-36427158(Top 96%)11728(Top 96%)11728(Top 683%)
Finish26.22 mi1.02 mi13705-26724162-14344162-143428335(Top 100%)12207(Top 100%)12207(Top 711%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

11269

Females

2518

F40-44

2518

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

11146

Females

2390

F40-44

2390

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

11269

Females

2518

F40-44

2518

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10692

Females

2315

F40-44

2315

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

11208

Females

2549

F40-44

2549

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

10642

Females

2406

F40-44

2406

25K→30K

15.5 - 18.6 mi

Top 38%
×9story building
+181ft-148ft

Overall

10927

Females

2746

F40-44

2746

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

10220

Females

2557

F40-44

2557

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

12023

Females

3616

F40-44

3616

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

9245

Females

2267

F40-44

2267

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

9099

Females

2316

F40-44

2316

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

8956

Females

2319

F40-44

2319

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9767

Females

2826

F40-44

2826

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

27158

Females

11728

F40-44

11728

25.2M→Finish

25.2 - 26.2 mi

Top 100%
×2story building
+22ft-21ft

Overall

28335

Females

12207

F40-44

12207

Passing Analysis

Category:
Athletes Passed
1874
Passed By
4606
Net Change
-2732
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10973
5K → 10K241293-52#10973#11025
10K → 15K168191-23#11025#11048
15K → 20K222118+104#11048#10944
20K → Half4139+2#10944#10942
Half → 25K197118+79#10942#10863
25K → 30K253231+22#10863#10841
30K → 20M15263+89#10841#10752
20M → 21M89117-28#10752#10780
21M → 35K9718+79#10780#10701
35K → 23M17339+134#10701#10567
23M → 24M14135+106#10567#10461
24M → 40K9933+66#10461#10395
40K → 25.2M1639-638#10395#11033
25.2M → Finish02672-2672#11033#13705
TOTALS18744606-2732
📊

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