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BOSTON MARATHON 2025

Thuy Le

Bib: 22724•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 43%
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:22
Rank: #19817
Start → 5K
26:22 | 8:29/mi
10K· 6.21 mi
52:54
Rank: #19926 (-109)
5K → 10K
26:32 | 8:32/mi
15K· 9.32 mi
1:19:52
Rank: #20074 (-148)
10K → 15K
26:58 | 8:41/mi
20K· 12.43 mi
1:46:12
Rank: #19567 (+507)
15K → 20K
26:20 | 8:29/mi
Half· 13.11 mi
1:51:55
Rank: #19497 (+70)
20K → Half
5:43 | 8:23/mi
25K· 15.53 mi
2:13:02
Rank: #19282 (+215)
Half → 25K
21:07 | 8:43/mi
30K· 18.64 mi
2:41:17
Rank: #19058 (+224)
25K → 30K
28:15 | 9:06/mi
20M
2:53:31
Rank: #18884 (+174)
30K → 20M
12:14 | 9:00/mi
21M
3:02:55
Rank: #18675 (+209)
20M → 21M
9:24 | 9:24/mi
35K· 21.75 mi
3:09:16
Rank: #18565 (+110)
21M → 35K
6:21 | 8:29/mi
23M
3:20:39
Rank: #18418 (+147)
35K → 23M
11:23 | 9:05/mi
24M
3:29:11
Rank: #18240 (+178)
23M → 24M
8:32 | 8:32/mi
40K· 24.85 mi
3:36:36
Rank: #18107 (+133)
24M → 40K
7:25 | 8:40/mi
25.2M
3:39:51
Rank: #18043 (+64)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:48:13
Rank: #17898 (+145)
25.2M → Finish
8:22 | 8:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:55
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time1:56:18
Pace8:52 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:4626:228:2926:22
8:29
-
10K
6.21 mi11:50:1852:548:3126:32
8:32
+0:03
15K
9.32 mi12:17:161:19:528:3426:58
8:41
+0:09
20K
12.43 mi12:43:361:46:128:3326:20
8:29
-0:12
Half
13.11 mi12:49:191:51:558:325:43
8:23
-0:06
25K
15.53 mi13:10:262:13:028:3421:07
8:43
+0:20
30K
18.64 mi13:38:412:41:178:3928:15
9:06
+0:23
20M
20.00 mi13:50:552:53:318:4112:14
9:00
-0:06
21M
21.00 mi14:00:193:02:558:439:24
9:24
+0:24
35K
21.75 mi14:06:403:09:168:426:21
8:29
-0:55
23M
23.00 mi14:18:033:20:398:4311:23
9:05
+0:36
24M
24.00 mi14:26:353:29:118:438:32
8:32
-0:33
40K
24.85 mi14:34:003:36:368:437:25
8:40
+0:08
25.2M
25.20 mi14:37:153:39:518:433:15
9:25
+0:45
Finish
26.22 mi14:45:373:48:138:438:22
8:13
-1:12

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

8:13 /mi

Average Pace

8:43 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:56

77% of race

Time at Steady Pace

52:17

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:42 /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 mi11:23:4626:228:2926:22
8:29
#19817
10K
6.21 mi11:50:1852:548:3126:32
8:32
#19926
15K
9.32 mi12:17:161:19:528:3426:58
8:41
#20074
20K
12.43 mi12:43:361:46:128:3326:20
8:29
#19567
Half
13.11 mi12:49:191:51:558:325:43
8:23
#19497
25K
15.53 mi13:10:262:13:028:3421:07
8:43
#19282
30K
18.64 mi13:38:412:41:178:3928:15
9:06
#19058
20M
20.00 mi13:50:552:53:318:4112:14
9:00
#18884
21M
21.00 mi14:00:193:02:558:439:24
9:24
#18675
35K
21.75 mi14:06:403:09:168:426:21
8:29
#18565
23M
23.00 mi14:18:033:20:398:4311:23
9:05
#18418
24M
24.00 mi14:26:353:29:118:438:32
8:32
#18240
40K
24.85 mi14:34:003:36:368:437:25
8:40
#18107
25.2M
25.20 mi14:37:153:39:518:433:15
9:25
#18043
Finish
26.22 mi14:45:373:48:138:438:22
8:13
#17898
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi198177400740020366(Top 72%)7632(Top 62%)7632(Top 421%)
10K6.21 mi3.10 mi19926-1097428-287428-2820041(Top 71%)7486(Top 61%)7486(Top 413%)
15K9.32 mi3.11 mi20074-1487510-827510-8220366(Top 72%)7632(Top 62%)7632(Top 421%)
20K12.43 mi3.11 mi19567+5077224+2867224+28618076(Top 64%)6386(Top 52%)6386(Top 352%)
Half13.11 mi0.68 mi19497+707189+357189+3518520(Top 65%)6634(Top 54%)6634(Top 366%)
25K15.53 mi2.42 mi19282+2157077+1127077+11218458(Top 65%)6681(Top 55%)6681(Top 369%)
30K18.64 mi3.11 mi19058+2246993+846993+8418161(Top 64%)6670(Top 55%)6670(Top 368%)
20M20.00 mi1.36 mi18884+1746907+866907+8616822(Top 59%)6047(Top 49%)6047(Top 334%)
21M21.00 mi1.00 mi18675+2096819+886819+8815650(Top 55%)5543(Top 45%)5543(Top 306%)
35K21.75 mi0.75 mi18565+1106775+446775+4415452(Top 54%)5508(Top 45%)5508(Top 304%)
23M23.00 mi1.25 mi18418+1476715+606715+6016794(Top 59%)6333(Top 52%)6333(Top 349%)
24M24.00 mi1.00 mi18240+1786650+656650+6514773(Top 52%)5261(Top 43%)5261(Top 290%)
40K24.85 mi0.85 mi18107+1336606+446606+4414520(Top 51%)5265(Top 43%)5265(Top 290%)
25.2M25.20 mi0.35 mi18043+646579+276579+2714274(Top 50%)5194(Top 42%)5194(Top 286%)
Finish26.22 mi1.02 mi17898+1456516+636516+6314384(Top 51%)5157(Top 42%)5157(Top 284%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

20366

Females

7632

F45-49

7632

5K→10K

3.1 - 6.2 mi

Top 71%
×5stories
+79ft-138ft

Overall

20041

Females

7486

F45-49

7486

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

20366

Females

7632

F45-49

7632

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

18076

Females

6386

F45-49

6386

20K→Half

12.4 - 13.1 mi

Top 65%
×2stories
+19ft-37ft

Overall

18520

Females

6634

F45-49

6634

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

18458

Females

6681

F45-49

6681

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

18161

Females

6670

F45-49

6670

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

16822

Females

6047

F45-49

6047

20M→21M

20.0 - 21.0 mi

Top 55%
×8stories
+106ft-24ft

Overall

15650

Females

5543

F45-49

5543

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

15452

Females

5508

F45-49

5508

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

16794

Females

6333

F45-49

6333

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

14773

Females

5261

F45-49

5261

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

14520

Females

5265

F45-49

5265

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14274

Females

5194

F45-49

5194

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

14384

Females

5157

F45-49

5157

Passing Analysis

Category:
Athletes Passed
2848
Passed By
929
Net Change
+1919
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19817
5K → 10K218327-109#19817#19926
10K → 15K137285-148#19926#20074
15K → 20K52215+507#20074#19567
20K → Half799+70#19567#19497
Half → 25K28267+215#19497#19282
25K → 30K335111+224#19282#19058
30K → 20M19925+174#19058#18884
20M → 21M21910+209#18884#18675
21M → 35K1199+110#18675#18565
35K → 23M18134+147#18565#18418
23M → 24M1824+178#18418#18240
24M → 40K14411+133#18240#18107
40K → 25.2M706+64#18107#18043
25.2M → Finish16116+145#18043#17898
TOTALS2848929+1919
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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