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BOSTON MARATHON 2025

Michelle Calderone

Bib: 29975•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:15
Rank: #25727
Start → 5K
31:15 | 10:04/mi
10K· 6.21 mi
1:01:49
Rank: #25306 (+421)
5K → 10K
30:34 | 9:50/mi
15K· 9.32 mi
1:31:51
Rank: #24945 (+361)
10K → 15K
30:02 | 9:40/mi
20K· 12.43 mi
2:02:35
Rank: #24676 (+269)
15K → 20K
30:44 | 9:54/mi
Half· 13.11 mi
2:08:57
Rank: #24613 (+63)
20K → Half
6:22 | 9:20/mi
25K· 15.53 mi
2:31:55
Rank: #24183 (+430)
Half → 25K
22:58 | 9:28/mi
30K· 18.64 mi
3:03:00
Rank: #23716 (+467)
25K → 30K
31:05 | 10:00/mi
20M
3:16:50
Rank: #23557 (+159)
30K → 20M
13:50 | 10:11/mi
21M
3:27:38
Rank: #23399 (+158)
20M → 21M
10:48 | 10:48/mi
35K· 21.75 mi
3:35:07
Rank: #23337 (+62)
21M → 35K
7:29 | 10:00/mi
23M
3:47:09
Rank: #23130 (+207)
35K → 23M
12:02 | 9:37/mi
24M
3:56:31
Rank: #22965 (+165)
23M → 24M
9:22 | 9:22/mi
40K· 24.85 mi
4:04:47
Rank: #22820 (+145)
24M → 40K
8:16 | 9:40/mi
25.2M
4:08:43
Rank: #22808 (+12)
40K → 25.2M
3:56 | 11:24/mi
Finish· 26.22 mi
4:17:33
Rank: #22660 (+148)
25.2M → Finish
8:50 | 8:40/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:08:57
Pace9:50 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:08:36
Pace9:49 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:0731:1510:0431:15
10:04
-
10K
6.21 mi12:24:411:01:499:5730:34
9:50
-0:14
15K
9.32 mi12:54:431:31:519:5130:02
9:40
-0:10
20K
12.43 mi13:25:272:02:359:5230:44
9:54
+0:14
Half
13.11 mi13:31:492:08:579:506:22
9:20
-0:34
25K
15.53 mi13:54:472:31:559:4722:58
9:28
+0:08
30K
18.64 mi14:25:523:03:009:4931:05
10:00
+0:32
20M
20.00 mi14:39:423:16:509:5013:50
10:11
+0:11
21M
21.00 mi14:50:303:27:389:5310:48
10:48
+0:37
35K
21.75 mi14:57:593:35:079:537:29
10:00
-0:48
23M
23.00 mi15:10:013:47:099:5312:02
9:37
-0:23
24M
24.00 mi15:19:233:56:319:519:22
9:22
-0:15
40K
24.85 mi15:27:394:04:479:518:16
9:40
+0:18
25.2M
25.20 mi15:31:354:08:439:523:56
11:24
+1:44
Finish
26.22 mi15:40:254:17:339:508:50
8:40
-2:44

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

8:40 /mi

Average Pace

9:50 /mi

Slowest Pace

11:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

47:32

18% of race

Time at Steady Pace

3:01:27

70% of race

Time at Slower Pace

28:34

11% of race

Average Pace: 9:49 /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 mi11:54:0731:1510:0431:15
10:04
#25727
10K
6.21 mi12:24:411:01:499:5730:34
9:50
#25306
15K
9.32 mi12:54:431:31:519:5130:02
9:40
#24945
20K
12.43 mi13:25:272:02:359:5230:44
9:54
#24676
Half
13.11 mi13:31:492:08:579:506:22
9:20
#24613
25K
15.53 mi13:54:472:31:559:4722:58
9:28
#24183
30K
18.64 mi14:25:523:03:009:4931:05
10:00
#23716
20M
20.00 mi14:39:423:16:509:5013:50
10:11
#23557
21M
21.00 mi14:50:303:27:389:5310:48
10:48
#23399
35K
21.75 mi14:57:593:35:079:537:29
10:00
#23337
23M
23.00 mi15:10:013:47:099:5312:02
9:37
#23130
24M
24.00 mi15:19:233:56:319:519:22
9:22
#22965
40K
24.85 mi15:27:394:04:479:518:16
9:40
#22820
25.2M
25.20 mi15:31:354:08:439:523:56
11:24
#22808
Finish
26.22 mi15:40:254:17:339:508:50
8:40
#22660
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi25727106011060124185(Top 85%)9774(Top 80%)9774(Top 983%)
10K6.21 mi3.10 mi25306+42110397+20410397+20424959(Top 88%)10212(Top 84%)10212(Top 1027%)
15K9.32 mi3.11 mi24945+36110189+20810189+20824185(Top 85%)9774(Top 80%)9774(Top 983%)
20K12.43 mi3.11 mi24676+26910059+13010059+13023994(Top 84%)9703(Top 79%)9703(Top 976%)
Half13.11 mi0.68 mi24613+6310030+2910030+2923090(Top 81%)9203(Top 75%)9203(Top 926%)
25K15.53 mi2.42 mi24183+4309808+2229808+22221773(Top 77%)8534(Top 70%)8534(Top 859%)
30K18.64 mi3.11 mi23716+4679582+2269582+22621621(Top 76%)8570(Top 70%)8570(Top 862%)
20M20.00 mi1.36 mi23557+1599508+749508+7421527(Top 76%)8645(Top 71%)8645(Top 870%)
21M21.00 mi1.00 mi23399+1589443+659443+6520859(Top 73%)8383(Top 69%)8383(Top 843%)
35K21.75 mi0.75 mi23337+629421+229421+2221920(Top 77%)9006(Top 74%)9006(Top 906%)
23M23.00 mi1.25 mi23130+2079338+839338+8319150(Top 67%)7594(Top 62%)7594(Top 764%)
24M24.00 mi1.00 mi22965+1659270+689270+6819127(Top 67%)7620(Top 62%)7620(Top 767%)
40K24.85 mi0.85 mi22820+1459205+659205+6519388(Top 68%)7840(Top 64%)7840(Top 789%)
25.2M25.20 mi0.35 mi22808+129208-39208-321840(Top 77%)9078(Top 74%)9078(Top 913%)
Finish26.22 mi1.02 mi22660+1489146+629146+6217335(Top 61%)6738(Top 55%)6738(Top 678%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

24185

Females

9774

F55-59

9774

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

24959

Females

10212

F55-59

10212

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

24185

Females

9774

F55-59

9774

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

23994

Females

9703

F55-59

9703

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

23090

Females

9203

F55-59

9203

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

21773

Females

8534

F55-59

8534

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

21621

Females

8570

F55-59

8570

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

21527

Females

8645

F55-59

8645

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

20859

Females

8383

F55-59

8383

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

21920

Females

9006

F55-59

9006

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

19150

Females

7594

F55-59

7594

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

19127

Females

7620

F55-59

7620

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

19388

Females

7840

F55-59

7840

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

21840

Females

9078

F55-59

9078

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

17335

Females

6738

F55-59

6738

Passing Analysis

Category:
Athletes Passed
3228
Passed By
161
Net Change
+3067
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25727
5K → 10K46544+421#25727#25306
10K → 15K37413+361#25306#24945
15K → 20K29627+269#24945#24676
20K → Half696+63#24676#24613
Half → 25K4300+430#24613#24183
25K → 30K4758+467#24183#23716
30K → 20M17011+159#23716#23557
20M → 21M17214+158#23557#23399
21M → 35K7513+62#23399#23337
35K → 23M2092+207#23337#23130
23M → 24M1661+165#23130#22965
24M → 40K1527+145#22965#22820
40K → 25.2M2614+12#22820#22808
25.2M → Finish1491+148#22808#22660
TOTALS3228161+3067
📊

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