Boston Marathon logo
BOSTON MARATHON 2023

Colleen Crandall

MA

Bib: 25736 F

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

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:46/mi
30:21
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:48/mi
1:00:48
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:57/mi
1:31:43
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
10:36/mi
2:04:38
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
10:32/mi
2:11:49
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:51/mi
2:38:08
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
11:00/mi
3:12:20
↑ 181↓ 1480.2%
138 ft elev
20M
11:17/mi
3:27:40
↑ 64↓ 500.2%
148 ft elev
21M
11:52/mi
3:39:32
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
10:42/mi
3:47:32
↑ 17↓ 861.7%
156 ft elev
23M
11:01/mi
4:01:20
↑ 23↓ 630.6%
116 ft elev
24M
10:58/mi
4:12:18
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:15/mi
4:21:55
↓ 200.3%
20 ft elev
25.2M
12:11/mi
4:26:07
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
10:58/mi
4:37:18
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
2:11:4910:03 /mi⚡ faster
2nd Half
2:25:2911:06 /mi+10.4%
Positive split — 10.4% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
30:219:463.11 mi30:21
9:46
-
10K
1:00:489:473.10 mi30:27
9:48
+0:02
15K
1:31:439:503.11 mi30:55
9:57
+0:09
20K
2:04:3810:023.11 mi32:55
10:36
+0:39
Half(13.11 mi)
2:11:4910:030.68 mi7:11
10:32
-0:04
25K
2:38:0810:112.42 mi26:19
10:51
+0:19
30K
3:12:2010:193.11 mi34:12
11:00
+0:09
20M
3:27:4010:231.36 mi15:20
11:17
+0:17
21M
3:39:3210:271.00 mi11:52
11:52
+0:35
35K
3:47:3210:280.75 mi8:00
10:42
-1:10
23M
4:01:2010:301.25 mi13:48
11:01
+0:19
24M
4:12:1810:311.00 mi10:58
10:58
-0:03
40K
4:21:5510:320.85 mi9:37
11:15
+0:17
25.2M
4:26:0710:340.35 mi4:12
12:11
+0:56
Finish(26.22 mi)
4:37:1810:351.02 mi11:11
10:58
-1:13
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:46 /mi

Average Pace

10:35 /mi

Slowest Pace

12:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:11:49

48% of race

Time at Steady Pace

2:09:25

47% of race

Time at Slower Pace

16:04

6% of race

Average Pace: 10:35 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi22828929192912341795589558
10K3.10 mi23133-3059436-1459436-1452327594939493
15K3.11 mi23236-1039478-429478-422341795589558
20K3.11 mi23490-2549597-1199597-1192400399069906
Half(13.11 mi)0.68 mi23531-419621-249621-24242631006710067
25K2.42 mi23567-369657-369657-362375298219821
30K3.11 mi23481+869632+259632+252310595169516
20M1.36 mi23447+349635-39635-32315796029602
21M1.00 mi23400+479609+269609+262253493019301
35K0.75 mi23379+219611-29611-22275294579457
23M1.25 mi23322+579590+219590+212240092679267
24M1.00 mi23325-39597-79597-72299996349634
40K0.85 mi23304+21959795972282295719571
25.2M0.35 mi23289+159595+29595+22282995679567
Finish(26.22 mi)1.02 mi23319-309620-259620-25239281012410124

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

23417

Females

9558

F18-39

9558

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

23275

Females

9493

F18-39

9493

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

23417

Females

9558

F18-39

9558

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

24003

Females

9906

F18-39

9906

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

24263

Females

10067

F18-39

10067

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

23752

Females

9821

F18-39

9821

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

23105

Females

9516

F18-39

9516

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

23157

Females

9602

F18-39

9602

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

22534

Females

9301

F18-39

9301

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

22752

Females

9457

F18-39

9457

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

22400

Females

9267

F18-39

9267

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

22999

Females

9634

F18-39

9634

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22822

Females

9571

F18-39

9571

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22829

Females

9567

F18-39

9567

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2story building
+22ft-21ft

Overall

23928

Females

10124

F18-39

10124

Passing Analysis

Category:
▼Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#22828
5K → 10K
414109-305
#22828 → #23133
10K → 15K
203100-103
#23133 → #23236
15K → 20K
29743-254
#23236 → #23490
20K → Half
5817-41
#23490 → #23531
Half → 25K
11377-36
#23531 → #23567
25K → 30K
51137+86
#23567 → #23481
30K → 20M
3468+34
#23481 → #23447
20M → 21M
2572+47
#23447 → #23400
21M → 35K
1738+21
#23400 → #23379
35K → 23M
1976+57
#23379 → #23322
23M → 24M
3734-3
#23322 → #23325
24M → 40K
2243+21
#23325 → #23304
40K → 25.2M
1025+15
#23304 → #23289
25.2M → Finish
5525-30
#23289 → #23319
TOTALS
1355864-491
#22828 → #23319

Passing Visualized

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing