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BOSTON MARATHON 2025

Lesley Dunn

Bib: 11299•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 32%
Gender (Female)
#0 / 12228
Top 15%
Masters (Masters Women)
#0 / 6759
Top 5%
Division (F45-49)
#0 / 1813
Top 7%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:26
Rank: #9653
Start → 5K
22:26 | 7:13/mi
10K· 6.21 mi
44:49
Rank: #9568 (+85)
5K → 10K
22:23 | 7:12/mi
15K· 9.32 mi
1:07:12
Rank: #9406 (+162)
10K → 15K
22:23 | 7:12/mi
20K· 12.43 mi
1:29:43
Rank: #9157 (+249)
15K → 20K
22:31 | 7:15/mi
Half· 13.11 mi
1:34:36
Rank: #9142 (+15)
20K → Half
4:53 | 7:09/mi
25K· 15.53 mi
1:52:21
Rank: #8969 (+173)
Half → 25K
17:45 | 7:19/mi
30K· 18.64 mi
2:16:02
Rank: #8811 (+158)
25K → 30K
23:41 | 7:37/mi
20M
2:26:35
Rank: #8771 (+40)
30K → 20M
10:33 | 7:46/mi
21M
2:34:56
Rank: #8784 (-13)
20M → 21M
8:21 | 8:21/mi
35K· 21.75 mi
2:40:41
Rank: #8808 (-24)
21M → 35K
5:45 | 7:41/mi
23M
2:50:44
Rank: #8845 (-37)
35K → 23M
10:03 | 8:02/mi
24M
2:58:46
Rank: #8948 (-103)
23M → 24M
8:02 | 8:02/mi
40K· 24.85 mi
3:05:56
Rank: #9078 (-130)
24M → 40K
7:10 | 8:23/mi
25.2M
3:09:00
Rank: #9098 (-20)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:17:02
Rank: #9217 (-119)
25.2M → Finish
8:02 | 7:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:36
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:42:26
Pace7:49 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:2322:267:1322:26
7:13
-
10K
6.21 mi11:11:4644:497:1322:23
7:12
-0:01
15K
9.32 mi11:34:091:07:127:1322:23
7:12
0:00
20K
12.43 mi11:56:401:29:437:1322:31
7:15
+0:03
Half
13.11 mi12:01:331:34:367:134:53
7:09
-0:06
25K
15.53 mi12:19:181:52:217:1417:45
7:19
+0:10
30K
18.64 mi12:42:592:16:027:1823:41
7:37
+0:18
20M
20.00 mi12:53:322:26:357:2010:33
7:46
+0:09
21M
21.00 mi13:01:532:34:567:238:21
8:21
+0:35
35K
21.75 mi13:07:382:40:417:235:45
7:41
-0:40
23M
23.00 mi13:17:412:50:447:2510:03
8:02
+0:21
24M
24.00 mi13:25:432:58:467:278:02
8:02
0:00
40K
24.85 mi13:32:533:05:567:297:10
8:23
+0:21
25.2M
25.20 mi13:35:573:09:007:303:04
8:54
+0:31
Finish
26.22 mi13:43:593:17:027:318:02
7:53
-1:01

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

7:09 /mi

Average Pace

7:31 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:21

57% of race

Time at Steady Pace

48:01

24% of race

Time at Slower Pace

36:40

19% of race

Average Pace: 7:31 /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 mi10:49:2322:267:1322:26
7:13
#9653
10K
6.21 mi11:11:4644:497:1322:23
7:12
#9568
15K
9.32 mi11:34:091:07:127:1322:23
7:12
#9406
20K
12.43 mi11:56:401:29:437:1322:31
7:15
#9157
Half
13.11 mi12:01:331:34:367:134:53
7:09
#9142
25K
15.53 mi12:19:181:52:217:1417:45
7:19
#8969
30K
18.64 mi12:42:592:16:027:1823:41
7:37
#8811
20M
20.00 mi12:53:322:26:357:2010:33
7:46
#8771
21M
21.00 mi13:01:532:34:567:238:21
8:21
#8784
35K
21.75 mi13:07:382:40:417:235:45
7:41
#8808
23M
23.00 mi13:17:412:50:447:2510:03
8:02
#8845
24M
24.00 mi13:25:432:58:467:278:02
8:02
#8948
40K
24.85 mi13:32:533:05:567:297:10
8:23
#9078
25.2M
25.20 mi13:35:573:09:007:303:04
8:54
#9098
Finish
26.22 mi13:43:593:17:027:318:02
7:53
#9217
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi9653165216529191(Top 32%)1511(Top 12%)1511(Top 83%)
10K6.21 mi3.10 mi9568+851602+501602+509542(Top 34%)1618(Top 13%)1618(Top 89%)
15K9.32 mi3.11 mi9406+1621559+431559+439191(Top 32%)1511(Top 12%)1511(Top 83%)
20K12.43 mi3.11 mi9157+2491484+751484+758622(Top 30%)1366(Top 11%)1366(Top 75%)
Half13.11 mi0.68 mi9142+151479+51479+58820(Top 31%)1432(Top 12%)1432(Top 79%)
25K15.53 mi2.42 mi8969+1731435+441435+448537(Top 30%)1447(Top 12%)1447(Top 80%)
30K18.64 mi3.11 mi8811+1581428+71428+78641(Top 30%)1666(Top 14%)1666(Top 92%)
20M20.00 mi1.36 mi8771+401449-211449-218809(Top 31%)1890(Top 15%)1890(Top 104%)
21M21.00 mi1.00 mi8784-131480-311480-319550(Top 34%)2396(Top 20%)2396(Top 132%)
35K21.75 mi0.75 mi8808-241515-351515-359996(Top 35%)2582(Top 21%)2582(Top 142%)
23M23.00 mi1.25 mi8845-371573-581573-5810227(Top 36%)2845(Top 23%)2845(Top 157%)
24M24.00 mi1.00 mi8948-1031655-821655-8211493(Top 40%)3555(Top 29%)3555(Top 196%)
40K24.85 mi0.85 mi9078-1301738-831738-8312690(Top 45%)4264(Top 35%)4264(Top 235%)
25.2M25.20 mi0.35 mi9098-201767-291767-2911205(Top 39%)3579(Top 29%)3579(Top 197%)
Finish26.22 mi1.02 mi9217-1191861-941861-9412063(Top 42%)3951(Top 32%)3951(Top 218%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

9191

Females

1511

F45-49

1511

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9542

Females

1618

F45-49

1618

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

9191

Females

1511

F45-49

1511

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

8622

Females

1366

F45-49

1366

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8820

Females

1432

F45-49

1432

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

8537

Females

1447

F45-49

1447

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

8641

Females

1666

F45-49

1666

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8809

Females

1890

F45-49

1890

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9550

Females

2396

F45-49

2396

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9996

Females

2582

F45-49

2582

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

10227

Females

2845

F45-49

2845

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

11493

Females

3555

F45-49

3555

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12690

Females

4264

F45-49

4264

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

11205

Females

3579

F45-49

3579

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

12063

Females

3951

F45-49

3951

Passing Analysis

Category:
Athletes Passed
1925
Passed By
1488
Net Change
+436
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9653
5K → 10K274188+85#9653#9568
10K → 15K24482+162#9568#9406
15K → 20K30556+249#9406#9157
20K → Half4025+15#9157#9142
Half → 25K23865+173#9142#8969
25K → 30K299141+158#8969#8811
30K → 20M11373+40#8811#8771
20M → 21M88101-13#8771#8784
21M → 35K4367-24#8784#8808
35K → 23M110147-37#8808#8845
23M → 24M43146-103#8845#8948
24M → 40K50180-130#8948#9078
40K → 25.2M3151-20#9078#9098
25.2M → Finish47166-119#9098#9217
TOTALS19251488+436
📊

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