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BOSTON MARATHON 2023

Colleen Holden

Bib: 25576•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:00
Rank: #23382
Start → 5K
31:00 | 9:59/mi
10K· 6.21 mi
1:01:38
Rank: #23430 (-48)
5K → 10K
30:38 | 9:52/mi
15K· 9.32 mi
1:30:32
Rank: #22923 (+507)
10K → 15K
28:54 | 9:18/mi
20K· 12.43 mi
1:59:48
Rank: #22516 (+407)
15K → 20K
29:16 | 9:25/mi
Half· 13.11 mi
2:06:14
Rank: #22490 (+26)
20K → Half
6:26 | 9:25/mi
25K· 15.53 mi
2:28:46
Rank: #22122 (+368)
Half → 25K
22:32 | 9:18/mi
30K· 18.64 mi
2:57:48
Rank: #21588 (+534)
25K → 30K
29:02 | 9:21/mi
20M
3:10:19
Rank: #21334 (+254)
30K → 20M
12:31 | 9:13/mi
21M
3:19:45
Rank: #21063 (+271)
20M → 21M
9:26 | 9:26/mi
35K· 21.75 mi
3:26:11
Rank: #20910 (+153)
21M → 35K
6:26 | 8:36/mi
23M
3:38:55
Rank: #20851 (+59)
35K → 23M
12:44 | 10:10/mi
24M
3:47:09
Rank: #20609 (+242)
23M → 24M
8:14 | 8:14/mi
40K· 24.85 mi
3:54:18
Rank: #20383 (+226)
24M → 40K
7:09 | 8:22/mi
25.2M
3:57:23
Rank: #20293 (+90)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
4:05:22
Rank: #20069 (+224)
25.2M → Finish
7:59 | 7:50/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:06:14
Pace9:38 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:59:08
Pace9:05 /mi
📊Negative Split: 5.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:2131:009:5931:00
9:59
-
10K
6.21 mi12:23:591:01:389:5530:38
9:52
-0:07
15K
9.32 mi12:52:531:30:329:4328:54
9:18
-0:34
20K
12.43 mi13:22:091:59:489:3829:16
9:25
+0:07
Half
13.11 mi13:28:352:06:149:386:26
9:25
0:00
25K
15.53 mi13:51:072:28:469:3522:32
9:18
-0:07
30K
18.64 mi14:20:092:57:489:3229:02
9:21
+0:03
20M
20.00 mi14:32:403:10:199:3112:31
9:13
-0:08
21M
21.00 mi14:42:063:19:459:319:26
9:26
+0:13
35K
21.75 mi14:48:323:26:119:296:26
8:36
-0:50
23M
23.00 mi15:01:163:38:559:3112:44
10:10
+1:34
24M
24.00 mi15:09:303:47:099:288:14
8:14
-1:56
40K
24.85 mi15:16:393:54:189:267:09
8:22
+0:08
25.2M
25.20 mi15:19:443:57:239:253:05
8:56
+0:34
Finish
26.22 mi15:27:434:05:229:227:59
7:50
-1:06

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

7:50 /mi

Average Pace

9:22 /mi

Slowest Pace

10:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

32:53

13% of race

Time at Steady Pace

2:18:07

56% of race

Time at Slower Pace

1:14:22

30% of race

Average Pace: 9:21 /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 mi11:53:2131:009:5931:00
9:59
#23382
10K
6.21 mi12:23:591:01:389:5530:38
9:52
#23430
15K
9.32 mi12:52:531:30:329:4328:54
9:18
#22923
20K
12.43 mi13:22:091:59:489:3829:16
9:25
#22516
Half
13.11 mi13:28:352:06:149:386:26
9:25
#22490
25K
15.53 mi13:51:072:28:469:3522:32
9:18
#22122
30K
18.64 mi14:20:092:57:489:3229:02
9:21
#21588
20M
20.00 mi14:32:403:10:199:3112:31
9:13
#21334
21M
21.00 mi14:42:063:19:459:319:26
9:26
#21063
35K
21.75 mi14:48:323:26:119:296:26
8:36
#20910
23M
23.00 mi15:01:163:38:559:3112:44
10:10
#20851
24M
24.00 mi15:09:303:47:099:288:14
8:14
#20609
40K
24.85 mi15:16:393:54:189:267:09
8:22
#20383
25.2M
25.20 mi15:19:443:57:239:253:05
8:56
#20293
Finish
26.22 mi15:27:434:05:229:227:59
7:50
#20069
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi233829591959121641(Top 81%)8578(Top 75%)8578(Top 176%)
10K6.21 mi3.10 mi23430-489588+39588+323400(Top 88%)9565(Top 84%)9565(Top 196%)
15K9.32 mi3.11 mi22923+5079312+2769312+27621641(Top 81%)8578(Top 75%)8578(Top 176%)
20K12.43 mi3.11 mi22516+4079100+2129100+21221307(Top 80%)8408(Top 74%)8408(Top 172%)
Half13.11 mi0.68 mi22490+269084+169084+1621869(Top 82%)8727(Top 76%)8727(Top 179%)
25K15.53 mi2.42 mi22122+3688895+1898895+18920193(Top 76%)7803(Top 68%)7803(Top 160%)
30K18.64 mi3.11 mi21588+5348607+2888607+28818813(Top 71%)7093(Top 62%)7093(Top 145%)
20M20.00 mi1.36 mi21334+2548486+1218486+12117635(Top 66%)6547(Top 57%)6547(Top 134%)
21M21.00 mi1.00 mi21063+2718357+1298357+12915691(Top 59%)5462(Top 48%)5462(Top 112%)
35K21.75 mi0.75 mi20910+1538270+878270+8715921(Top 60%)5656(Top 50%)5656(Top 116%)
23M23.00 mi1.25 mi20851+598251+198251+1920487(Top 77%)8220(Top 72%)8220(Top 168%)
24M24.00 mi1.00 mi20609+2428132+1198132+11912889(Top 48%)4088(Top 36%)4088(Top 84%)
40K24.85 mi0.85 mi20383+2268004+1288004+12812534(Top 47%)3975(Top 35%)3975(Top 81%)
25.2M25.20 mi0.35 mi20293+907960+447960+4412307(Top 46%)3920(Top 34%)3920(Top 80%)
Finish26.22 mi1.02 mi20069+2247840+1207840+12010997(Top 41%)3205(Top 28%)3205(Top 66%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

21641

Females

8578

F18-39

8578

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

23400

Females

9565

F18-39

9565

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

21641

Females

8578

F18-39

8578

15K→20K

9.3 - 12.4 mi

Top 80%
×5stories
+106ft-86ft

Overall

21307

Females

8408

F18-39

8408

20K→Half

12.4 - 13.1 mi

Top 82%
×2stories
+19ft-37ft

Overall

21869

Females

8727

F18-39

8727

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

20193

Females

7803

F18-39

7803

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

18813

Females

7093

F18-39

7093

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

17635

Females

6547

F18-39

6547

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

15691

Females

5462

F18-39

5462

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

15921

Females

5656

F18-39

5656

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

20487

Females

8220

F18-39

8220

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

12889

Females

4088

F18-39

4088

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12534

Females

3975

F18-39

3975

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12307

Females

3920

F18-39

3920

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

10997

Females

3205

F18-39

3205

Passing Analysis

Category:
Athletes Passed
3640
Passed By
327
Net Change
+3313
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23382
5K → 10K195243-48#23382#23430
10K → 15K5169+507#23430#22923
15K → 20K42013+407#22923#22516
20K → Half4014+26#22516#22490
Half → 25K3702+368#22490#22122
25K → 30K5351+534#22122#21588
30K → 20M2551+254#21588#21334
20M → 21M2721+271#21334#21063
21M → 35K1530+153#21063#20910
35K → 23M10243+59#20910#20851
23M → 24M2420+242#20851#20609
24M → 40K2260+226#20609#20383
40K → 25.2M900+90#20383#20293
25.2M → Finish2240+224#20293#20069
TOTALS3640327+3313
📊

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