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BOSTON MARATHON 2025

Courtney Dion

Bib: 12194•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 26%
Gender (Female)
#0 / 12228
Top 10%
Division (F18-39)
#0 / 5469
Top 18%
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
7:13/mi
22:24
↑ 97↓ 3451.5%
10K· 6.21 mi
7:14/mi
44:52
↑ 79↓ 1380.4%
15K· 9.32 mi
7:10/mi
1:07:09
↑ 67↓ 78
20K· 12.43 mi
7:17/mi
1:29:48
↑ 106↓ 860.1%
Half· 13.11 mi
7:01/mi
1:34:35
↑ 19↓ 370.5%
25K· 15.53 mi
7:13/mi
1:52:06
↑ 66↓ 880.2%
30K· 18.64 mi
7:26/mi
2:15:13
↑ 181↓ 1480.2%
20M
7:36/mi
2:25:33
↑ 64↓ 500.2%
21M
8:11/mi
2:33:44
↑ 106↓ 241.6%
35K· 21.75 mi
7:09/mi
2:39:05
↑ 17↓ 861.7%
23M
7:22/mi
2:48:19
↑ 23↓ 630.6%
24M
7:13/mi
2:55:32
↓ 821.3%
40K· 24.85 mi
7:16/mi
3:01:45
↓ 200.3%
25.2M
8:10/mi
3:04:34
↑ 13↓ 160.2%
Finish· 26.22 mi
7:01/mi
3:11:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:35
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:37:08
Pace7:25 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1322:247:1322:24
7:13
-
10K
6.21 mi11:12:4144:527:1322:28
7:14
+0:01
15K
9.32 mi11:34:581:07:097:1222:17
7:10
-0:04
20K
12.43 mi11:57:371:29:487:1422:39
7:17
+0:07
Half
13.11 mi12:02:241:34:357:134:47
7:01
-0:16
25K
15.53 mi12:19:551:52:067:1317:31
7:13
+0:12
30K
18.64 mi12:43:022:15:137:1523:07
7:26
+0:13
20M
20.00 mi12:53:222:25:337:1710:20
7:36
+0:10
21M
21.00 mi13:01:332:33:447:198:11
8:11
+0:35
35K
21.75 mi13:06:542:39:057:195:21
7:09
-1:02
23M
23.00 mi13:16:082:48:197:199:14
7:22
+0:13
24M
24.00 mi13:23:212:55:327:197:13
7:13
-0:09
40K
24.85 mi13:29:343:01:457:196:13
7:16
+0:03
25.2M
25.20 mi13:32:233:04:347:192:49
8:10
+0:54
Finish
26.22 mi13:39:323:11:437:197:09
7:01
-1:09

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

7:01 /mi

Average Pace

7:19 /mi

Slowest Pace

8:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:43

94% of race

Time at Steady Pace

11:00

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:19 /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 mi10:50:1322:247:1322:24
7:13
#9550
10K
6.21 mi11:12:4144:527:1322:28
7:14
#9635
15K
9.32 mi11:34:581:07:097:1222:17
7:10
#9374
20K
12.43 mi11:57:371:29:487:1422:39
7:17
#9213
Half
13.11 mi12:02:241:34:357:134:47
7:01
#9129
25K
15.53 mi12:19:551:52:067:1317:31
7:13
#8823
30K
18.64 mi12:43:022:15:137:1523:07
7:26
#8459
20M
20.00 mi12:53:222:25:337:1710:20
7:36
#8363
21M
21.00 mi13:01:332:33:447:198:11
8:11
#8309
35K
21.75 mi13:06:542:39:057:195:21
7:09
#8184
23M
23.00 mi13:16:082:48:197:199:14
7:22
#7953
24M
24.00 mi13:23:212:55:327:197:13
7:13
#7832
40K
24.85 mi13:29:343:01:457:196:13
7:16
#7689
25.2M
25.20 mi13:32:233:04:347:192:49
8:10
#7640
Finish
26.22 mi13:39:323:11:437:197:09
7:01
#7525
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9550160516058904(Top 31%)1380(Top 11%)1380(Top 25%)
10K6.21 mi3.10 mi9635-851630-251630-259760(Top 34%)1714(Top 14%)1714(Top 31%)
15K9.32 mi3.11 mi9374+2611548+821548+828904(Top 31%)1380(Top 11%)1380(Top 25%)
20K12.43 mi3.11 mi9213+1611509+391509+398982(Top 32%)1509(Top 12%)1509(Top 28%)
Half13.11 mi0.68 mi9129+841470+391470+397731(Top 27%)992(Top 8%)992(Top 18%)
25K15.53 mi2.42 mi8823+3061371+991371+997796(Top 27%)1142(Top 9%)1142(Top 21%)
30K18.64 mi3.11 mi8459+3641284+871284+877320(Top 26%)1135(Top 9%)1135(Top 21%)
20M20.00 mi1.36 mi8363+961274+101274+107726(Top 27%)1429(Top 12%)1429(Top 26%)
21M21.00 mi1.00 mi8309+541287-131287-138487(Top 30%)1922(Top 16%)1922(Top 35%)
35K21.75 mi0.75 mi8184+1251260+271260+276339(Top 22%)1047(Top 9%)1047(Top 19%)
23M23.00 mi1.25 mi7953+2311224+361224+365920(Top 21%)992(Top 8%)992(Top 18%)
24M24.00 mi1.00 mi7832+1211218+61218+65954(Top 21%)1055(Top 9%)1055(Top 19%)
40K24.85 mi0.85 mi7689+1431195+231195+235523(Top 19%)949(Top 8%)949(Top 17%)
25.2M25.20 mi0.35 mi7640+49119511956910(Top 24%)1582(Top 13%)1582(Top 29%)
Finish26.22 mi1.02 mi7525+1151184+111184+115864(Top 21%)1200(Top 10%)1200(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

8904

Females

1380

F18-39

1380

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9760

Females

1714

F18-39

1714

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

8904

Females

1380

F18-39

1380

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

8982

Females

1509

F18-39

1509

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7731

Females

992

F18-39

992

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

7796

Females

1142

F18-39

1142

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

7320

Females

1135

F18-39

1135

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7726

Females

1429

F18-39

1429

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8487

Females

1922

F18-39

1922

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

6339

Females

1047

F18-39

1047

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

5920

Females

992

F18-39

992

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+12ft-82ft

Overall

5954

Females

1055

F18-39

1055

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5523

Females

949

F18-39

949

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6910

Females

1582

F18-39

1582

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

5864

Females

1200

F18-39

1200

Passing Analysis

Category:
Athletes Passed
2708
Passed By
682
Net Change
+2025
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9550
5K → 10K197281-85#9550#9635
10K → 15K30948+261#9635#9374
15K → 20K25796+161#9374#9213
20K → Half895+84#9213#9129
Half → 25K32923+306#9129#8823
25K → 30K41147+364#8823#8459
30K → 20M14448+96#8459#8363
20M → 21M11561+54#8363#8309
21M → 35K1338+125#8309#8184
35K → 23M24514+231#8184#7953
23M → 24M14019+121#7953#7832
24M → 40K15411+143#7832#7689
40K → 25.2M589+49#7689#7640
25.2M → Finish12712+115#7640#7525
TOTALS2708682+2025
📊

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