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BOSTON MARATHON 2025

Parimon Sikhonsamang

Bib: 25073•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F60-64)
#0 / 624
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
9:18/mi
28:54
↑ 97↓ 3451.5%
10K· 6.21 mi
9:14/mi
57:34
↑ 79↓ 1380.4%
15K· 9.32 mi
9:25/mi
1:26:49
↑ 67↓ 78
20K· 12.43 mi
9:59/mi
1:57:50
↑ 106↓ 860.1%
Half· 13.11 mi
10:02/mi
2:04:41
↑ 19↓ 370.5%
25K· 15.53 mi
10:29/mi
2:30:05
↑ 66↓ 880.2%
30K· 18.64 mi
11:42/mi
3:06:25
↑ 181↓ 1480.2%
20M
12:17/mi
3:23:06
↑ 64↓ 500.2%
21M
13:06/mi
3:36:12
↑ 106↓ 241.6%
35K· 21.75 mi
11:51/mi
3:45:04
↑ 17↓ 861.7%
23M
11:24/mi
3:59:21
↑ 23↓ 630.6%
24M
11:54/mi
4:11:15
↓ 821.3%
40K· 24.85 mi
12:03/mi
4:21:33
↓ 200.3%
25.2M
12:34/mi
4:25:53
↑ 13↓ 160.2%
Finish· 26.22 mi
9:59/mi
4:36:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:41
Pace9:31 /mi
2nd Half
Distance13.11 mi
Time2:31:22
Pace11:33 /mi
📊Positive Split: 21.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:0728:549:1828:54
9:18
-
10K
6.21 mi11:57:4757:349:1628:40
9:14
-0:04
15K
9.32 mi12:27:021:26:499:1929:15
9:25
+0:11
20K
12.43 mi12:58:031:57:509:2931:01
9:59
+0:34
Half
13.11 mi13:04:542:04:419:316:51
10:02
+0:03
25K
15.53 mi13:30:182:30:059:4025:24
10:29
+0:27
30K
18.64 mi14:06:383:06:2510:0036:20
11:42
+1:13
20M
20.00 mi14:23:193:23:0610:0916:41
12:17
+0:35
21M
21.00 mi14:36:253:36:1210:1813:06
13:06
+0:49
35K
21.75 mi14:45:173:45:0410:218:52
11:51
-1:15
23M
23.00 mi14:59:343:59:2110:2414:17
11:24
-0:27
24M
24.00 mi15:11:284:11:1510:2811:54
11:54
+0:30
40K
24.85 mi15:21:464:21:3310:3110:18
12:03
+0:09
25.2M
25.20 mi15:26:064:25:5310:334:20
12:34
+0:31
Finish
26.22 mi15:36:164:36:0310:3210:10
9:59
-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

9:14 /mi

Average Pace

10:32 /mi

Slowest Pace

13:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:15

58% of race

Time at Steady Pace

1:11:23

26% of race

Time at Slower Pace

44:25

16% of race

Average Pace: 10:32 /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 mi11:29:0728:549:1828:54
9:18
#23573
10K
6.21 mi11:57:4757:349:1628:40
9:14
#23440
15K
9.32 mi12:27:021:26:499:1929:15
9:25
#23492
20K
12.43 mi12:58:031:57:509:2931:01
9:59
#23701
Half
13.11 mi13:04:542:04:419:316:51
10:02
#23768
25K
15.53 mi13:30:182:30:059:4025:24
10:29
#23878
30K
18.64 mi14:06:383:06:2510:0036:20
11:42
#24229
20M
20.00 mi14:23:193:23:0610:0916:41
12:17
#24384
21M
21.00 mi14:36:253:36:1210:1813:06
13:06
#24449
35K
21.75 mi14:45:173:45:0410:218:52
11:51
#24517
23M
23.00 mi14:59:343:59:2110:2414:17
11:24
#24503
24M
24.00 mi15:11:284:11:1510:2811:54
11:54
#24570
40K
24.85 mi15:21:464:21:3310:3110:18
12:03
#24578
25.2M
25.20 mi15:26:064:25:5310:334:20
12:34
#24587
Finish
26.22 mi15:36:164:36:0310:3210:10
9:59
#24535
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi235739476947623525(Top 83%)9393(Top 77%)9393(Top 1505%)
10K6.21 mi3.10 mi23440+1339385+919385+9123306(Top 82%)9300(Top 76%)9300(Top 1490%)
15K9.32 mi3.11 mi23492-529410-259410-2523525(Top 83%)9393(Top 77%)9393(Top 1505%)
20K12.43 mi3.11 mi23701-2099518-1089518-10824192(Top 85%)9826(Top 80%)9826(Top 1575%)
Half13.11 mi0.68 mi23768-679556-389556-3824916(Top 88%)10224(Top 84%)10224(Top 1638%)
25K15.53 mi2.42 mi23878-1109631-759631-7524349(Top 86%)9935(Top 81%)9935(Top 1592%)
30K18.64 mi3.11 mi24229-3519852-2219852-22125136(Top 88%)10475(Top 86%)10475(Top 1679%)
20M20.00 mi1.36 mi24384-1559952-1009952-10025644(Top 90%)10822(Top 89%)10822(Top 1734%)
21M21.00 mi1.00 mi24449-6510004-5210004-5225182(Top 89%)10653(Top 87%)10653(Top 1707%)
35K21.75 mi0.75 mi24517-6810054-5010054-5025654(Top 90%)10924(Top 89%)10924(Top 1751%)
23M23.00 mi1.25 mi24503+1410065-1110065-1124098(Top 85%)10150(Top 83%)10150(Top 1627%)
24M24.00 mi1.00 mi24570-6710112-4710112-4725551(Top 90%)10902(Top 89%)10902(Top 1747%)
40K24.85 mi0.85 mi24578-810123-1110123-1125011(Top 88%)10676(Top 87%)10676(Top 1711%)
25.2M25.20 mi0.35 mi24587-910133-1010133-1024360(Top 86%)10355(Top 85%)10355(Top 1659%)
Finish26.22 mi1.02 mi24535+5210117+1610117+1622882(Top 81%)9610(Top 79%)9610(Top 1540%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

23525

Females

9393

F60-64

9393

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

23306

Females

9300

F60-64

9300

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

23525

Females

9393

F60-64

9393

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

24192

Females

9826

F60-64

9826

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

24916

Females

10224

F60-64

10224

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

24349

Females

9935

F60-64

9935

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

25136

Females

10475

F60-64

10475

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

25644

Females

10822

F60-64

10822

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

25182

Females

10653

F60-64

10653

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

25654

Females

10924

F60-64

10924

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

24098

Females

10150

F60-64

10150

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

25551

Females

10902

F60-64

10902

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

25011

Females

10676

F60-64

10676

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24360

Females

10355

F60-64

10355

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

22882

Females

9610

F60-64

9610

Passing Analysis

Category:
Athletes Passed
961
Passed By
1923
Net Change
-962
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23573
5K → 10K299166+133#23573#23440
10K → 15K155207-52#23440#23492
15K → 20K87296-209#23492#23701
20K → Half673-67#23701#23768
Half → 25K83193-110#23768#23878
25K → 30K60411-351#23878#24229
30K → 20M31186-155#24229#24384
20M → 21M41106-65#24384#24449
21M → 35K1381-68#24449#24517
35K → 23M6248+14#24517#24503
23M → 24M2390-67#24503#24570
24M → 40K2836-8#24570#24578
40K → 25.2M1524-9#24578#24587
25.2M → Finish586+52#24587#24535
TOTALS9611923-962
📊

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