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BOSTON MARATHON 2025

Michelle Clancy

Bib: 30581•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:49
Rank: #26166
Start → 5K
31:49 | 10:14/mi
10K· 6.21 mi
1:05:24
Rank: #26537 (-371)
5K → 10K
33:35 | 10:49/mi
15K· 9.32 mi
1:39:41
Rank: #26623 (-86)
10K → 15K
34:17 | 11:02/mi
20K· 12.43 mi
2:15:11
Rank: #26604 (+19)
15K → 20K
35:30 | 11:26/mi
Half· 13.11 mi
2:22:09
Rank: #26530 (+74)
20K → Half
6:58 | 10:13/mi
25K· 15.53 mi
2:48:49
Rank: #26294 (+236)
Half → 25K
26:40 | 11:00/mi
30K· 18.64 mi
3:23:03
Rank: #25896 (+398)
25K → 30K
34:14 | 11:01/mi
20M
3:45:15
Rank: #26319 (-423)
30K → 20M
22:12 | 16:20/mi
21M
3:58:17
Rank: #26268 (+51)
20M → 21M
13:02 | 13:02/mi
35K· 21.75 mi
4:07:12
Rank: #26262 (+6)
21M → 35K
8:55 | 11:55/mi
23M
4:21:38
Rank: #26161 (+101)
35K → 23M
14:26 | 11:32/mi
24M
4:35:12
Rank: #26235 (-74)
23M → 24M
13:34 | 13:34/mi
40K· 24.85 mi
4:46:13
Rank: #26243 (-8)
24M → 40K
11:01 | 12:53/mi
25.2M
4:51:41
Rank: #26287 (-44)
40K → 25.2M
5:28 | 15:51/mi
Finish· 26.22 mi
5:03:06
Rank: #26276 (+11)
25.2M → Finish
11:25 | 11:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:22:09
Pace10:51 /mi
2nd Half
Distance13.11 mi
Time2:40:57
Pace12:17 /mi
📊Positive Split: 13.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:0131:4910:1431:49
10:14
-
10K
6.21 mi12:30:361:05:2410:3233:35
10:49
+0:35
15K
9.32 mi13:04:531:39:4110:4234:17
11:02
+0:13
20K
12.43 mi13:40:232:15:1110:5335:30
11:26
+0:24
Half
13.11 mi13:47:212:22:0910:516:58
10:13
-1:13
25K
15.53 mi14:14:012:48:4910:5226:40
11:00
+0:47
30K
18.64 mi14:48:153:23:0310:5434:14
11:01
+0:01
20M
20.00 mi15:10:273:45:1511:1622:12
16:20
+5:19
21M
21.00 mi15:23:293:58:1711:2113:02
13:02
-3:18
35K
21.75 mi15:32:244:07:1211:228:55
11:55
-1:07
23M
23.00 mi15:46:504:21:3811:2314:26
11:32
-0:23
24M
24.00 mi16:00:244:35:1211:2813:34
13:34
+2:02
40K
24.85 mi16:11:254:46:1311:3111:01
12:53
-0:41
25.2M
25.20 mi16:16:534:51:4111:345:28
15:51
+2:58
Finish
26.22 mi16:28:185:03:0611:3411:25
11:12
-4:39

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

10:13 /mi

Average Pace

11:34 /mi

Slowest Pace

16:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

38:47

13% of race

Time at Steady Pace

3:19:02

66% of race

Time at Slower Pace

1:05:17

22% of race

Average Pace: 11:34 /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 mi11:57:0131:4910:1431:49
10:14
#26166
10K
6.21 mi12:30:361:05:2410:3233:35
10:49
#26537
15K
9.32 mi13:04:531:39:4110:4234:17
11:02
#26623
20K
12.43 mi13:40:232:15:1110:5335:30
11:26
#26604
Half
13.11 mi13:47:212:22:0910:516:58
10:13
#26530
25K
15.53 mi14:14:012:48:4910:5226:40
11:00
#26294
30K
18.64 mi14:48:153:23:0310:5434:14
11:01
#25896
20M
20.00 mi15:10:273:45:1511:1622:12
16:20
#26319
21M
21.00 mi15:23:293:58:1711:2113:02
13:02
#26268
35K
21.75 mi15:32:244:07:1211:228:55
11:55
#26262
23M
23.00 mi15:46:504:21:3811:2314:26
11:32
#26161
24M
24.00 mi16:00:244:35:1211:2813:34
13:34
#26235
40K
24.85 mi16:11:254:46:1311:3111:01
12:53
#26243
25.2M
25.20 mi16:16:534:51:4111:345:28
15:51
#26287
Finish
26.22 mi16:28:185:03:0611:3411:25
11:12
#26276
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi26166108551085526710(Top 94%)11200(Top 92%)11200(Top 860%)
10K6.21 mi3.10 mi26537-37111071-21611071-21626789(Top 94%)11225(Top 92%)11225(Top 861%)
15K9.32 mi3.11 mi26623-8611125-5411125-5426710(Top 94%)11200(Top 92%)11200(Top 860%)
20K12.43 mi3.11 mi26604+19111251112526542(Top 93%)11119(Top 91%)11119(Top 853%)
Half13.11 mi0.68 mi26530+7411085+4011085+4025258(Top 89%)10414(Top 85%)10414(Top 799%)
25K15.53 mi2.42 mi26294+23610951+13410951+13425205(Top 89%)10410(Top 85%)10410(Top 799%)
30K18.64 mi3.11 mi25896+39810763+18810763+18824028(Top 85%)9875(Top 81%)9875(Top 758%)
20M20.00 mi1.36 mi26319-42311014-25111014-25128229(Top 99%)12159(Top 99%)12159(Top 933%)
21M21.00 mi1.00 mi26268+5111002+1211002+1225077(Top 88%)10605(Top 87%)10605(Top 814%)
35K21.75 mi0.75 mi26262+611003-111003-125721(Top 91%)10961(Top 90%)10961(Top 841%)
23M23.00 mi1.25 mi26161+10110957+4610957+4624303(Top 86%)10251(Top 84%)10251(Top 787%)
24M24.00 mi1.00 mi26235-7411015-5811015-5827375(Top 96%)11838(Top 97%)11838(Top 909%)
40K24.85 mi0.85 mi26243-811027-1211027-1226167(Top 92%)11226(Top 92%)11226(Top 862%)
25.2M25.20 mi0.35 mi26287-4411052-2511052-2527622(Top 97%)11943(Top 98%)11943(Top 917%)
Finish26.22 mi1.02 mi26276+1111048+411048+425693(Top 90%)10997(Top 90%)10997(Top 844%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21stories
+97ft-345ft

Overall

26710

Females

11200

F50-54

11200

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

26789

Females

11225

F50-54

11225

10K→15K

6.2 - 9.3 mi

Top 94%
×3stories
+67ft-78ft

Overall

26710

Females

11200

F50-54

11200

15K→20K

9.3 - 12.4 mi

Top 93%
×5stories
+106ft-86ft

Overall

26542

Females

11119

F50-54

11119

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

25258

Females

10414

F50-54

10414

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

25205

Females

10410

F50-54

10410

25K→30K

15.5 - 18.6 mi

Top 85%
×9stories
+181ft-148ft

Overall

24028

Females

9875

F50-54

9875

30K→20M

18.6 - 20.0 mi

Top 99%
×5stories
+64ft-50ft

Overall

28229

Females

12159

F50-54

12159

20M→21M

20.0 - 21.0 mi

Top 88%
×8stories
+106ft-24ft

Overall

25077

Females

10605

F50-54

10605

21M→35K

21.0 - 21.8 mi

Top 91%
×7stories
+17ft-86ft

Overall

25721

Females

10961

F50-54

10961

35K→23M

21.8 - 23.0 mi

Top 86%
×5stories
+23ft-63ft

Overall

24303

Females

10251

F50-54

10251

23M→24M

23.0 - 24.0 mi

Top 96%
×6stories
+12ft-82ft

Overall

27375

Females

11838

F50-54

11838

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

26167

Females

11226

F50-54

11226

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

27622

Females

11943

F50-54

11943

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2stories
+22ft-21ft

Overall

25693

Females

10997

F50-54

10997

Passing Analysis

Category:
Athletes Passed
1265
Passed By
1375
Net Change
-110
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26166
5K → 10K60431-371#26166#26537
10K → 15K87173-86#26537#26623
15K → 20K123104+19#26623#26604
20K → Half762+74#26604#26530
Half → 25K2437+236#26530#26294
25K → 30K3991+398#26294#25896
30K → 20M6429-423#25896#26319
20M → 21M7322+51#26319#26268
21M → 35K2519+6#26268#26262
35K → 23M1054+101#26262#26161
23M → 24M1084-74#26161#26235
24M → 40K2129-8#26235#26243
40K → 25.2M549-44#26243#26287
25.2M → Finish3221+11#26287#26276
TOTALS12651375-110
📊

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