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BOSTON MARATHON 2025

Lisa Uechi

Bib: 14664•F

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 32%
Gender (Female)
#0 / 12228
Top 15%
Division (F18-39)
#0 / 5469
Top 26%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:26
Rank: #7090
Start → 5K
21:26 | 6:54/mi
10K· 6.21 mi
43:27
Rank: #7809 (-719)
5K → 10K
22:01 | 7:05/mi
15K· 9.32 mi
1:06:07
Rank: #8426 (-617)
10K → 15K
22:40 | 7:18/mi
20K· 12.43 mi
1:29:10
Rank: #8772 (-346)
15K → 20K
23:03 | 7:25/mi
Half· 13.11 mi
1:34:11
Rank: #8840 (-68)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
1:52:24
Rank: #8994 (-154)
Half → 25K
18:13 | 7:31/mi
30K· 18.64 mi
2:16:40
Rank: #9121 (-127)
25K → 30K
24:16 | 7:49/mi
20M
2:27:29
Rank: #9183 (-62)
30K → 20M
10:49 | 7:58/mi
21M
2:36:00
Rank: #9226 (-43)
20M → 21M
8:31 | 8:31/mi
35K· 21.75 mi
2:41:43
Rank: #9206 (+20)
21M → 35K
5:43 | 7:38/mi
23M
2:51:41
Rank: #9193 (+13)
35K → 23M
9:58 | 7:58/mi
24M
2:59:22
Rank: #9160 (+33)
23M → 24M
7:41 | 7:41/mi
40K· 24.85 mi
3:06:03
Rank: #9119 (+41)
24M → 40K
6:41 | 7:49/mi
25.2M
3:08:59
Rank: #9089 (+30)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
3:16:33
Rank: #9040 (+49)
25.2M → Finish
7:34 | 7:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:11
Pace7:11 /mi
2nd Half
Distance13.11 mi
Time1:42:22
Pace7:49 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5521:266:5421:26
6:54
-
10K
6.21 mi11:13:5643:277:0022:01
7:05
+0:11
15K
9.32 mi11:36:361:06:077:0622:40
7:18
+0:13
20K
12.43 mi11:59:391:29:107:1023:03
7:25
+0:07
Half
13.11 mi12:04:401:34:117:115:01
7:21
-0:04
25K
15.53 mi12:22:531:52:247:1418:13
7:31
+0:10
30K
18.64 mi12:47:092:16:407:2024:16
7:49
+0:18
20M
20.00 mi12:57:582:27:297:2210:49
7:58
+0:09
21M
21.00 mi13:06:292:36:007:268:31
8:31
+0:33
35K
21.75 mi13:12:122:41:437:265:43
7:38
-0:53
23M
23.00 mi13:22:102:51:417:289:58
7:58
+0:20
24M
24.00 mi13:29:512:59:227:287:41
7:41
-0:17
40K
24.85 mi13:36:323:06:037:296:41
7:49
+0:08
25.2M
25.20 mi13:39:283:08:597:302:56
8:30
+0:41
Finish
26.22 mi13:47:023:16:337:307:34
7:26
-1:04

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

6:54 /mi

Average Pace

7:30 /mi

Slowest Pace

8:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:11:08

36% of race

Time at Steady Pace

1:33:11

47% of race

Time at Slower Pace

32:14

16% of race

Average Pace: 7:30 /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 mi10:51:5521:266:5421:26
6:54
#7090
10K
6.21 mi11:13:5643:277:0022:01
7:05
#7809
15K
9.32 mi11:36:361:06:077:0622:40
7:18
#8426
20K
12.43 mi11:59:391:29:107:1023:03
7:25
#8772
Half
13.11 mi12:04:401:34:117:115:01
7:21
#8840
25K
15.53 mi12:22:531:52:247:1418:13
7:31
#8994
30K
18.64 mi12:47:092:16:407:2024:16
7:49
#9121
20M
20.00 mi12:57:582:27:297:2210:49
7:58
#9183
21M
21.00 mi13:06:292:36:007:268:31
8:31
#9226
35K
21.75 mi13:12:122:41:437:265:43
7:38
#9206
23M
23.00 mi13:22:102:51:417:289:58
7:58
#9193
24M
24.00 mi13:29:512:59:227:287:41
7:41
#9160
40K
24.85 mi13:36:323:06:037:296:41
7:49
#9119
25.2M
25.20 mi13:39:283:08:597:302:56
8:30
#9089
Finish
26.22 mi13:47:023:16:337:307:34
7:26
#9040
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi70907047049968(Top 35%)1880(Top 15%)1880(Top 34%)
10K6.21 mi3.10 mi7809-719931-227931-2278574(Top 30%)1208(Top 10%)1208(Top 22%)
15K9.32 mi3.11 mi8426-6171169-2381169-2389968(Top 35%)1880(Top 15%)1880(Top 34%)
20K12.43 mi3.11 mi8772-3461328-1591328-15910068(Top 35%)1987(Top 16%)1987(Top 36%)
Half13.11 mi0.68 mi8840-681358-301358-3010508(Top 37%)2173(Top 18%)2173(Top 40%)
25K15.53 mi2.42 mi8994-1541446-881446-8810091(Top 36%)2133(Top 17%)2133(Top 39%)
30K18.64 mi3.11 mi9121-1271562-1161562-11610034(Top 35%)2301(Top 19%)2301(Top 42%)
20M20.00 mi1.36 mi9183-621618-561618-5610177(Top 36%)2514(Top 21%)2514(Top 46%)
21M21.00 mi1.00 mi9226-431674-561674-5610582(Top 37%)2885(Top 24%)2885(Top 53%)
35K21.75 mi0.75 mi9206+201692-181692-189652(Top 34%)2427(Top 20%)2427(Top 44%)
23M23.00 mi1.25 mi9193+131722-301722-309756(Top 34%)2612(Top 21%)2612(Top 48%)
24M24.00 mi1.00 mi9160+331736-141736-149030(Top 32%)2338(Top 19%)2338(Top 43%)
40K24.85 mi0.85 mi9119+411756-201756-208906(Top 31%)2403(Top 20%)2403(Top 44%)
25.2M25.20 mi0.35 mi9089+301761-51761-58861(Top 31%)2445(Top 20%)2445(Top 45%)
Finish26.22 mi1.02 mi9040+491789-281789-288690(Top 31%)2381(Top 19%)2381(Top 44%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

9968

Females

1880

F18-39

1880

5K→10K

3.1 - 6.2 mi

Top 30%
×5stories
+79ft-138ft

Overall

8574

Females

1208

F18-39

1208

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

9968

Females

1880

F18-39

1880

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

10068

Females

1987

F18-39

1987

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

10508

Females

2173

F18-39

2173

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

10091

Females

2133

F18-39

2133

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

10034

Females

2301

F18-39

2301

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

10177

Females

2514

F18-39

2514

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

10582

Females

2885

F18-39

2885

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

9652

Females

2427

F18-39

2427

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

9756

Females

2612

F18-39

2612

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

9030

Females

2338

F18-39

2338

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8906

Females

2403

F18-39

2403

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8861

Females

2445

F18-39

2445

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8690

Females

2381

F18-39

2381

Passing Analysis

Category:
Athletes Passed
1169
Passed By
3119
Net Change
-1950
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7090
5K → 10K42761-719#7090#7809
10K → 15K31648-617#7809#8426
15K → 20K82428-346#8426#8772
20K → Half1482-68#8772#8840
Half → 25K108262-154#8840#8994
25K → 30K188315-127#8994#9121
30K → 20M85147-62#9121#9183
20M → 21M90133-43#9183#9226
21M → 35K6343+20#9226#9206
35K → 23M115102+13#9206#9193
23M → 24M9461+33#9193#9160
24M → 40K10059+41#9160#9119
40K → 25.2M5121+30#9119#9089
25.2M → Finish10657+49#9089#9040
TOTALS11693119-1950
📊

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