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BOSTON MARATHON 2025

Mimi Smith

Bib: 147•F

TX

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 1%
Gender (Female)
#0 / 12228
Top 0.2%
Division (F18-39)
#0 / 5469
Top 0.4%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:57
Rank: #570
Start → 5K
17:57 | 5:47/mi
10K· 6.21 mi
36:00
Rank: #593 (-23)
5K → 10K
18:03 | 5:49/mi
15K· 9.32 mi
54:05
Rank: #575 (+18)
10K → 15K
18:05 | 5:49/mi
20K· 12.43 mi
1:12:12
Rank: #540 (+35)
15K → 20K
18:07 | 5:50/mi
Half· 13.11 mi
1:16:11
Rank: #537 (+3)
20K → Half
3:59 | 5:50/mi
25K· 15.53 mi
1:30:26
Rank: #527 (+10)
Half → 25K
14:15 | 5:53/mi
30K· 18.64 mi
1:48:56
Rank: #495 (+32)
25K → 30K
18:30 | 5:57/mi
20M
1:57:07
Rank: #481 (+14)
30K → 20M
8:11 | 6:01/mi
21M
2:03:22
Rank: #457 (+24)
20M → 21M
6:15 | 6:15/mi
35K· 21.75 mi
2:07:43
Rank: #446 (+11)
21M → 35K
4:21 | 5:49/mi
23M
2:15:11
Rank: #433 (+13)
35K → 23M
7:28 | 5:58/mi
24M
2:21:02
Rank: #417 (+16)
23M → 24M
5:51 | 5:51/mi
40K· 24.85 mi
2:26:05
Rank: #401 (+16)
24M → 40K
5:03 | 5:54/mi
25.2M
2:28:18
Rank: #396 (+5)
40K → 25.2M
2:13 | 6:26/mi
Finish· 26.22 mi
2:34:04
Rank: #378 (+18)
25.2M → Finish
5:46 | 5:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:11
Pace5:49 /mi
2nd Half
Distance13.11 mi
Time1:17:53
Pace5:56 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:04:5917:575:4717:57
5:47
-
10K
6.21 mi10:23:0236:005:4818:03
5:49
+0:02
15K
9.32 mi10:41:0754:055:4818:05
5:49
0:00
20K
12.43 mi10:59:141:12:125:4918:07
5:50
+0:01
Half
13.11 mi11:03:131:16:115:493:59
5:50
0:00
25K
15.53 mi11:17:281:30:265:4914:15
5:53
+0:03
30K
18.64 mi11:35:581:48:565:5118:30
5:57
+0:04
20M
20.00 mi11:44:091:57:075:518:11
6:01
+0:04
21M
21.00 mi11:50:242:03:225:526:15
6:15
+0:14
35K
21.75 mi11:54:452:07:435:524:21
5:49
-0:26
23M
23.00 mi12:02:132:15:115:537:28
5:58
+0:09
24M
24.00 mi12:08:042:21:025:535:51
5:51
-0:07
40K
24.85 mi12:13:072:26:055:535:03
5:54
+0:03
25.2M
25.20 mi12:15:202:28:185:532:13
6:26
+0:32
Finish
26.22 mi12:21:062:34:045:535:46
5:40
-0:46

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

5:40 /mi

Average Pace

5:53 /mi

Slowest Pace

6:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:36

95% of race

Time at Steady Pace

8:28

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:53 /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 mi10:04:5917:575:4717:57
5:47
#570
10K
6.21 mi10:23:0236:005:4818:03
5:49
#593
15K
9.32 mi10:41:0754:055:4818:05
5:49
#575
20K
12.43 mi10:59:141:12:125:4918:07
5:50
#540
Half
13.11 mi11:03:131:16:115:493:59
5:50
#537
25K
15.53 mi11:17:281:30:265:4914:15
5:53
#527
30K
18.64 mi11:35:581:48:565:5118:30
5:57
#495
20M
20.00 mi11:44:091:57:075:518:11
6:01
#481
21M
21.00 mi11:50:242:03:225:526:15
6:15
#457
35K
21.75 mi11:54:452:07:435:524:21
5:49
#446
23M
23.00 mi12:02:132:15:115:537:28
5:58
#433
24M
24.00 mi12:08:042:21:025:535:51
5:51
#417
40K
24.85 mi12:13:072:26:055:535:03
5:54
#401
25.2M
25.20 mi12:15:202:28:185:532:13
6:26
#396
Finish
26.22 mi12:21:062:34:045:535:46
5:40
#378
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi5703737566(Top 2%)35(Top 0.3%)35(Top 0.6%)
10K6.21 mi3.10 mi593-233737632(Top 2%)39(Top 0.3%)39(Top 0.7%)
15K9.32 mi3.11 mi575+183737566(Top 2%)35(Top 0.3%)35(Top 0.6%)
20K12.43 mi3.11 mi540+3536+136+1485(Top 2%)30(Top 0.2%)30(Top 0.5%)
Half13.11 mi0.68 mi537+335+135+1691(Top 2%)40(Top 0.3%)40(Top 0.7%)
25K15.53 mi2.42 mi527+1036-136-1534(Top 2%)34(Top 0.3%)34(Top 0.6%)
30K18.64 mi3.11 mi495+3235+135+1444(Top 2%)29(Top 0.2%)29(Top 0.5%)
20M20.00 mi1.36 mi481+1433+233+2420(Top 1%)25(Top 0.2%)25(Top 0.5%)
21M21.00 mi1.00 mi457+2432+132+1321(Top 1%)17(Top 0.1%)17(Top 0.3%)
35K21.75 mi0.75 mi446+113232409(Top 1%)23(Top 0.2%)23(Top 0.4%)
23M23.00 mi1.25 mi433+1331+131+1303(Top 1%)19(Top 0.2%)19(Top 0.3%)
24M24.00 mi1.00 mi417+1628+328+3336(Top 1%)23(Top 0.2%)23(Top 0.4%)
40K24.85 mi0.85 mi401+162828304(Top 1%)22(Top 0.2%)22(Top 0.4%)
25.2M25.20 mi0.35 mi396+527+127+1381(Top 1%)23(Top 0.2%)23(Top 0.4%)
Finish26.22 mi1.02 mi378+1826+126+1319(Top 1%)17(Top 0.1%)17(Top 0.3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

566

Females

35

F18-39

35

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

632

Females

39

F18-39

39

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

566

Females

35

F18-39

35

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

485

Females

30

F18-39

30

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

691

Females

40

F18-39

40

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

534

Females

34

F18-39

34

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

444

Females

29

F18-39

29

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

420

Females

25

F18-39

25

20M→21M

20.0 - 21.0 mi

Top 1%
×8stories
+106ft-24ft

Overall

321

Females

17

F18-39

17

21M→35K

21.0 - 21.8 mi

Top 1%
×7stories
+17ft-86ft

Overall

409

Females

23

F18-39

23

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

303

Females

19

F18-39

19

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

336

Females

23

F18-39

23

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

304

Females

22

F18-39

22

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

381

Females

23

F18-39

23

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

319

Females

17

F18-39

17

Passing Analysis

Category:
Athletes Passed
294
Passed By
102
Net Change
+192
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#570
5K → 10K2447-23#570#593
10K → 15K279+18#593#575
15K → 20K394+35#575#540
20K → Half52+3#540#537
Half → 25K2515+10#537#527
25K → 30K4210+32#527#495
30K → 20M173+14#495#481
20M → 21M251+24#481#457
21M → 35K121+11#457#446
35K → 23M196+13#446#433
23M → 24M171+16#433#417
24M → 40K160+16#417#401
40K → 25.2M50+5#401#396
25.2M → Finish213+18#396#378
TOTALS294102+192
📊

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