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BOSTON MARATHON 2023

Colleen Martinez

Bib: 10321•F

WA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 36%
Gender (Female)
#0 / 11423
Top 16%
Division (F18-39)
#0 / 4884
Top 29%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
7:48/mi
24:15
↑ 97↓ 3451.5%
10K· 6.21 mi
7:48/mi
48:28
↑ 79↓ 1380.4%
15K· 9.32 mi
7:41/mi
1:12:19
↑ 67↓ 78
20K· 12.43 mi
7:51/mi
1:36:42
↑ 106↓ 860.1%
Half· 13.11 mi
7:45/mi
1:41:59
↑ 19↓ 370.5%
25K· 15.53 mi
7:42/mi
2:00:40
↑ 66↓ 880.2%
30K· 18.64 mi
7:42/mi
2:24:34
↑ 181↓ 1480.2%
20M
7:30/mi
2:34:46
↑ 64↓ 500.2%
21M
7:37/mi
2:42:23
↑ 106↓ 241.6%
35K· 21.75 mi
7:24/mi
2:47:55
↑ 17↓ 861.7%
23M
7:29/mi
2:57:17
↑ 23↓ 630.6%
24M
7:09/mi
3:04:26
↓ 821.3%
40K· 24.85 mi
7:23/mi
3:10:45
↓ 200.3%
25.2M
7:53/mi
3:13:28
↑ 13↓ 160.2%
Finish· 26.22 mi
7:26/mi
3:21:02
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:41:59
Pace7:47 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:39:03
Pace7:33 /mi
📊Negative Split: 2.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3024:157:4824:15
7:48
-
10K
6.21 mi11:15:4348:287:4824:13
7:48
0:00
15K
9.32 mi11:39:341:12:197:4623:51
7:41
-0:07
20K
12.43 mi12:03:571:36:427:4724:23
7:51
+0:10
Half
13.11 mi12:09:141:41:597:475:17
7:45
-0:06
25K
15.53 mi12:27:552:00:407:4618:41
7:42
-0:03
30K
18.64 mi12:51:492:24:347:4523:54
7:42
0:00
20M
20.00 mi13:02:012:34:467:4410:12
7:30
-0:12
21M
21.00 mi13:09:382:42:237:447:37
7:37
+0:07
35K
21.75 mi13:15:102:47:557:435:32
7:24
-0:13
23M
23.00 mi13:24:322:57:177:429:22
7:29
+0:05
24M
24.00 mi13:31:413:04:267:417:09
7:09
-0:20
40K
24.85 mi13:38:003:10:457:406:19
7:23
+0:14
25.2M
25.20 mi13:40:433:13:287:412:43
7:53
+0:30
Finish
26.22 mi13:48:173:21:027:407:34
7:26
-0:27

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

7:40 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:18:19

99% of race

Time at Steady Pace

2:43

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:40 /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 mi10:51:3024:157:4824:15
7:48
#12387
10K
6.21 mi11:15:4348:287:4824:13
7:48
#12702
15K
9.32 mi11:39:341:12:197:4623:51
7:41
#12302
20K
12.43 mi12:03:571:36:427:4724:23
7:51
#12223
Half
13.11 mi12:09:141:41:597:475:17
7:45
#12228
25K
15.53 mi12:27:552:00:407:4618:41
7:42
#11874
30K
18.64 mi12:51:492:24:347:4523:54
7:42
#11210
20M
20.00 mi13:02:012:34:467:4410:12
7:30
#10824
21M
21.00 mi13:09:382:42:237:447:37
7:37
#10476
35K
21.75 mi13:15:102:47:557:435:32
7:24
#10362
23M
23.00 mi13:24:322:57:177:429:22
7:29
#10070
24M
24.00 mi13:31:413:04:267:417:09
7:09
#9812
40K
24.85 mi13:38:003:10:457:406:19
7:23
#9626
25.2M
25.20 mi13:40:433:13:287:412:43
7:53
#9532
Finish
26.22 mi13:48:173:21:027:407:34
7:26
#9464
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi123873086308611647(Top 44%)2698(Top 24%)2698(Top 55%)
10K6.21 mi3.10 mi12702-3153262-1763262-17613067(Top 49%)3466(Top 30%)3466(Top 71%)
15K9.32 mi3.11 mi12302+4003064+1983064+19811647(Top 44%)2698(Top 24%)2698(Top 55%)
20K12.43 mi3.11 mi12223+793045+193045+1912147(Top 46%)3049(Top 27%)3049(Top 62%)
Half13.11 mi0.68 mi12228-53052-73052-712240(Top 46%)3032(Top 27%)3032(Top 62%)
25K15.53 mi2.42 mi11874+3542855+1972855+19710337(Top 39%)2144(Top 19%)2144(Top 44%)
30K18.64 mi3.11 mi11210+6642537+3182537+3188607(Top 32%)1558(Top 14%)1558(Top 32%)
20M20.00 mi1.36 mi10824+3862341+1962341+1966859(Top 26%)984(Top 9%)984(Top 20%)
21M21.00 mi1.00 mi10476+3482193+1482193+1485228(Top 20%)599(Top 5%)599(Top 12%)
35K21.75 mi0.75 mi10362+1142145+482145+487828(Top 29%)1436(Top 13%)1436(Top 29%)
23M23.00 mi1.25 mi10070+2922030+1152030+1156343(Top 24%)939(Top 8%)939(Top 19%)
24M24.00 mi1.00 mi9812+2581942+881942+885507(Top 21%)732(Top 6%)732(Top 15%)
40K24.85 mi0.85 mi9626+1861879+631879+636053(Top 23%)1011(Top 9%)1011(Top 21%)
25.2M25.20 mi0.35 mi9532+941851+281851+285907(Top 22%)1038(Top 9%)1038(Top 21%)
Finish26.22 mi1.02 mi9464+681849+21849+27992(Top 30%)1822(Top 16%)1822(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

11647

Females

2698

F18-39

2698

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

13067

Females

3466

F18-39

3466

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

11647

Females

2698

F18-39

2698

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

12147

Females

3049

F18-39

3049

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

12240

Females

3032

F18-39

3032

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

10337

Females

2144

F18-39

2144

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

8607

Females

1558

F18-39

1558

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

6859

Females

984

F18-39

984

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5228

Females

599

F18-39

599

21M→35K

21.0 - 21.8 mi

Top 29%
×7story building
+17ft-86ft

Overall

7828

Females

1436

F18-39

1436

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6343

Females

939

F18-39

939

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+12ft-82ft

Overall

5507

Females

732

F18-39

732

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6053

Females

1011

F18-39

1011

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5907

Females

1038

F18-39

1038

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

7992

Females

1822

F18-39

1822

Passing Analysis

Category:
Athletes Passed
3710*
Passed By
787
Net Change
+2923
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12387
5K → 10K186501-315#12387#12702
10K → 15K45454+400#12702#12302
15K → 20K216137+79#12302#12223
20K → Half2732-5#12223#12228
Half → 25K36410+354#12228#11874
25K → 30K6684+664#11874#11210
30K → 20M387*1+386#11210#10824
20M → 21M3480+348#10824#10476
21M → 35K1173+114#10476#10362
35K → 23M2942+292#10362#10070
23M → 24M261*3+258#10070#9812
24M → 40K188*2+186#9812#9626
40K → 25.2M984+94#9626#9532
25.2M → Finish10234+68#9532#9464
TOTALS3710*787+2923

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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