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BOSTON MARATHON 2025

Chloé Conan

Bib: 10051•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 22%
Gender (Female)
#0 / 12228
Top 6%
Division (F18-39)
#0 / 5469
Top 12%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:58/mi
21:40
↑ 97↓ 3451.5%
10K· 6.21 mi
6:55/mi
43:08
↑ 79↓ 1380.4%
15K· 9.32 mi
6:56/mi
1:04:39
↑ 67↓ 78
20K· 12.43 mi
7:02/mi
1:26:31
↑ 106↓ 860.1%
Half· 13.11 mi
6:53/mi
1:31:13
↑ 19↓ 370.5%
25K· 15.53 mi
7:02/mi
1:48:15
↑ 66↓ 880.2%
30K· 18.64 mi
7:15/mi
2:10:47
↑ 181↓ 1480.2%
20M
7:22/mi
2:20:47
↑ 64↓ 500.2%
21M
7:43/mi
2:28:30
↑ 106↓ 241.6%
35K· 21.75 mi
7:08/mi
2:33:50
↑ 17↓ 861.7%
23M
7:22/mi
2:43:03
↑ 23↓ 630.6%
24M
7:22/mi
2:50:25
↓ 821.3%
40K· 24.85 mi
7:24/mi
2:56:45
↓ 200.3%
25.2M
8:19/mi
2:59:37
↑ 13↓ 160.2%
Finish· 26.22 mi
7:17/mi
3:07:02
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:13
Pace6:57 /mi
2nd Half
Distance13.11 mi
Time1:35:49
Pace7:19 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:2221:406:5821:40
6:58
-
10K
6.21 mi11:08:5043:086:5621:28
6:55
-0:03
15K
9.32 mi11:30:211:04:396:5621:31
6:56
+0:01
20K
12.43 mi11:52:131:26:316:5821:52
7:02
+0:06
Half
13.11 mi11:56:551:31:136:574:42
6:53
-0:09
25K
15.53 mi12:13:571:48:156:5817:02
7:02
+0:09
30K
18.64 mi12:36:292:10:477:0122:32
7:15
+0:13
20M
20.00 mi12:46:292:20:477:0210:00
7:22
+0:07
21M
21.00 mi12:54:122:28:307:047:43
7:43
+0:21
35K
21.75 mi12:59:322:33:507:045:20
7:08
-0:35
23M
23.00 mi13:08:452:43:037:059:13
7:22
+0:14
24M
24.00 mi13:16:072:50:257:067:22
7:22
0:00
40K
24.85 mi13:22:272:56:457:076:20
7:24
+0:02
25.2M
25.20 mi13:25:192:59:377:082:52
8:19
+0:55
Finish
26.22 mi13:32:443:07:027:087:25
7:17
-1:02

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

6:53 /mi

Average Pace

7:08 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:15

58% of race

Time at Steady Pace

1:08:12

36% of race

Time at Slower Pace

10:35

6% of race

Average Pace: 7:08 /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 mi10:47:2221:406:5821:40
6:58
#7626
10K
6.21 mi11:08:5043:086:5621:28
6:55
#7456
15K
9.32 mi11:30:211:04:396:5621:31
6:56
#7357
20K
12.43 mi11:52:131:26:316:5821:52
7:02
#7255
Half
13.11 mi11:56:551:31:136:574:42
6:53
#7230
25K
15.53 mi12:13:571:48:156:5817:02
7:02
#7057
30K
18.64 mi12:36:292:10:477:0122:32
7:15
#6777
20M
20.00 mi12:46:292:20:477:0210:00
7:22
#6645
21M
21.00 mi12:54:122:28:307:047:43
7:43
#6512
35K
21.75 mi12:59:322:33:507:045:20
7:08
#6460
23M
23.00 mi13:08:452:43:037:059:13
7:22
#6347
24M
24.00 mi13:16:072:50:257:067:22
7:22
#6319
40K
24.85 mi13:22:272:56:457:076:20
7:24
#6266
25.2M
25.20 mi13:25:192:59:377:082:52
8:19
#6268
Finish
26.22 mi13:32:443:07:027:087:25
7:17
#6240
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi76268588587136(Top 25%)768(Top 6%)768(Top 14%)
10K6.21 mi3.10 mi7456+170817+41817+417314(Top 26%)779(Top 6%)779(Top 14%)
15K9.32 mi3.11 mi7357+99797+20797+207136(Top 25%)768(Top 6%)768(Top 14%)
20K12.43 mi3.11 mi7255+102782+15782+157120(Top 25%)809(Top 7%)809(Top 15%)
Half13.11 mi0.68 mi7230+25777+5777+56886(Top 24%)744(Top 6%)744(Top 14%)
25K15.53 mi2.42 mi7057+173743+34743+346494(Top 23%)718(Top 6%)718(Top 13%)
30K18.64 mi3.11 mi6777+280723+20723+206197(Top 22%)727(Top 6%)727(Top 13%)
20M20.00 mi1.36 mi6645+132714+9714+96150(Top 22%)836(Top 7%)836(Top 15%)
21M21.00 mi1.00 mi6512+133701+13701+135762(Top 20%)837(Top 7%)837(Top 15%)
35K21.75 mi0.75 mi6460+52697+4697+46183(Top 22%)973(Top 8%)973(Top 18%)
23M23.00 mi1.25 mi6347+113694+3694+35829(Top 21%)943(Top 8%)943(Top 17%)
24M24.00 mi1.00 mi6319+28707-13707-136842(Top 24%)1386(Top 11%)1386(Top 25%)
40K24.85 mi0.85 mi6266+53712-5712-56270(Top 22%)1230(Top 10%)1230(Top 22%)
25.2M25.20 mi0.35 mi6268-2725-13725-137737(Top 27%)1926(Top 16%)1926(Top 35%)
Finish26.22 mi1.02 mi6240+28741-16741-167630(Top 27%)1902(Top 16%)1902(Top 35%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

7136

Females

768

F18-39

768

5K→10K

3.1 - 6.2 mi

Top 26%
×5story building
+79ft-138ft

Overall

7314

Females

779

F18-39

779

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

7136

Females

768

F18-39

768

15K→20K

9.3 - 12.4 mi

Top 25%
×5story building
+106ft-86ft

Overall

7120

Females

809

F18-39

809

20K→Half

12.4 - 13.1 mi

Top 24%
×2story building
+19ft-37ft

Overall

6886

Females

744

F18-39

744

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

6494

Females

718

F18-39

718

25K→30K

15.5 - 18.6 mi

Top 22%
×9story building
+181ft-148ft

Overall

6197

Females

727

F18-39

727

30K→20M

18.6 - 20.0 mi

Top 22%
×5story building
+64ft-50ft

Overall

6150

Females

836

F18-39

836

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5762

Females

837

F18-39

837

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

6183

Females

973

F18-39

973

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

5829

Females

943

F18-39

943

23M→24M

23.0 - 24.0 mi

Top 24%
×6story building
+12ft-82ft

Overall

6842

Females

1386

F18-39

1386

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

6270

Females

1230

F18-39

1230

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7737

Females

1926

F18-39

1926

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7630

Females

1902

F18-39

1902

Passing Analysis

Category:
Athletes Passed
1990
Passed By
604
Net Change
+1386
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7626
5K → 10K288118+170#7626#7456
10K → 15K18990+99#7456#7357
15K → 20K17674+102#7357#7255
20K → Half305+25#7255#7230
Half → 25K20027+173#7230#7057
25K → 30K33050+280#7057#6777
30K → 20M15523+132#6777#6645
20M → 21M15320+133#6645#6512
21M → 35K7018+52#6512#6460
35K → 23M13825+113#6460#6347
23M → 24M7446+28#6347#6319
24M → 40K8128+53#6319#6266
40K → 25.2M2931-2#6266#6268
25.2M → Finish7749+28#6268#6240
TOTALS1990604+1386
📊

Passing Visuals

Category:
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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