Boston Marathon logo
BOSTON MARATHON 2023

Erin Cooke

Bib: 13454•F

TN

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 49%
Gender (Female)
#0 / 11423
Top 33%
Masters (Masters Women)
#0 / 6539
Top 19%
Division (F40-44)
#0 / 1878
Top 36%
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
7:50/mi
24:21
↑ 97↓ 3451.5%
10K· 6.21 mi
7:39/mi
48:08
↑ 79↓ 1380.4%
15K· 9.32 mi
7:43/mi
1:12:08
↑ 67↓ 78
20K· 12.43 mi
7:49/mi
1:36:24
↑ 106↓ 860.1%
Half· 13.11 mi
7:45/mi
1:41:41
↑ 19↓ 370.5%
25K· 15.53 mi
7:55/mi
2:00:53
↑ 66↓ 880.2%
30K· 18.64 mi
8:23/mi
2:26:56
↑ 181↓ 1480.2%
20M
8:37/mi
2:38:39
↑ 64↓ 500.2%
21M
8:58/mi
2:47:37
↑ 106↓ 241.6%
35K· 21.75 mi
8:27/mi
2:53:56
↑ 17↓ 861.7%
23M
8:42/mi
3:04:50
↑ 23↓ 630.6%
24M
8:42/mi
3:13:32
↓ 821.3%
40K· 24.85 mi
8:45/mi
3:21:01
↓ 200.3%
25.2M
9:31/mi
3:24:18
↑ 13↓ 160.2%
Finish· 26.22 mi
8:51/mi
3:33:19
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:41
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:51:38
Pace8:31 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:4924:217:5024:21
7:50
-
10K
6.21 mi11:16:3648:087:4523:47
7:39
-0:11
15K
9.32 mi11:40:361:12:087:4424:00
7:43
+0:04
20K
12.43 mi12:04:521:36:247:4524:16
7:49
+0:06
Half
13.11 mi12:10:091:41:417:455:17
7:45
-0:04
25K
15.53 mi12:29:212:00:537:4719:12
7:55
+0:10
30K
18.64 mi12:55:242:26:567:5326:03
8:23
+0:28
20M
20.00 mi13:07:072:38:397:5611:43
8:37
+0:14
21M
21.00 mi13:16:052:47:377:598:58
8:58
+0:21
35K
21.75 mi13:22:242:53:568:006:19
8:27
-0:31
23M
23.00 mi13:33:183:04:508:0210:54
8:42
+0:15
24M
24.00 mi13:42:003:13:328:048:42
8:42
0:00
40K
24.85 mi13:49:293:21:018:057:29
8:45
+0:03
25.2M
25.20 mi13:52:463:24:188:063:17
9:31
+0:46
Finish
26.22 mi14:01:473:33:198:099:01
8:51
-0:40

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

7:39 /mi

Average Pace

8:09 /mi

Slowest Pace

9:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:53

57% of race

Time at Steady Pace

1:03:41

30% of race

Time at Slower Pace

28:45

13% of race

Average Pace: 8:08 /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 mi10:52:4924:217:5024:21
7:50
#12743
10K
6.21 mi11:16:3648:087:4523:47
7:39
#12243
15K
9.32 mi11:40:361:12:087:4424:00
7:43
#12151
20K
12.43 mi12:04:521:36:247:4524:16
7:49
#12026
Half
13.11 mi12:10:091:41:417:455:17
7:45
#12037
25K
15.53 mi12:29:212:00:537:4719:12
7:55
#12030
30K
18.64 mi12:55:242:26:567:5326:03
8:23
#12332
20M
20.00 mi13:07:072:38:397:5611:43
8:37
#12488
21M
21.00 mi13:16:052:47:377:598:58
8:58
#12507
35K
21.75 mi13:22:242:53:568:006:19
8:27
#12611
23M
23.00 mi13:33:183:04:508:0210:54
8:42
#12721
24M
24.00 mi13:42:003:13:328:048:42
8:42
#12869
40K
24.85 mi13:49:293:21:018:057:29
8:45
#12938
25.2M
25.20 mi13:52:463:24:188:063:17
9:31
#12968
Finish
26.22 mi14:01:473:33:198:099:01
8:51
#13140
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi127433300330012072(Top 45%)2940(Top 26%)2940(Top 157%)
10K6.21 mi3.10 mi12243+5002999+3012999+30111854(Top 45%)2789(Top 24%)2789(Top 149%)
15K9.32 mi3.11 mi12151+922979+202979+2012072(Top 45%)2940(Top 26%)2940(Top 157%)
20K12.43 mi3.11 mi12026+1252927+522927+5211850(Top 45%)2878(Top 25%)2878(Top 153%)
Half13.11 mi0.68 mi12037-112936-92936-912331(Top 46%)3123(Top 27%)3123(Top 166%)
25K15.53 mi2.42 mi12030+72960-242960-2412079(Top 45%)3129(Top 27%)3129(Top 167%)
30K18.64 mi3.11 mi12332-3023168-2083168-20813592(Top 51%)4082(Top 36%)4082(Top 217%)
20M20.00 mi1.36 mi12488-1563262-943262-9414410(Top 54%)4644(Top 41%)4644(Top 247%)
21M21.00 mi1.00 mi12507-193305-433305-4313222(Top 50%)4057(Top 36%)4057(Top 216%)
35K21.75 mi0.75 mi12611-1043374-693374-6914975(Top 56%)5080(Top 44%)5080(Top 271%)
23M23.00 mi1.25 mi12721-1103465-913465-9114418(Top 54%)4855(Top 43%)4855(Top 259%)
24M24.00 mi1.00 mi12869-1483573-1083573-10815663(Top 59%)5612(Top 49%)5612(Top 299%)
40K24.85 mi0.85 mi12938-693638-653638-6514831(Top 56%)5193(Top 45%)5193(Top 277%)
25.2M25.20 mi0.35 mi12968-303666-283666-2815296(Top 57%)5457(Top 48%)5457(Top 291%)
Finish26.22 mi1.02 mi13140-1723782-1163782-11617270(Top 65%)6511(Top 57%)6511(Top 347%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

12072

Females

2940

F40-44

2940

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

11854

Females

2789

F40-44

2789

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

12072

Females

2940

F40-44

2940

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

11850

Females

2878

F40-44

2878

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

12331

Females

3123

F40-44

3123

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

12079

Females

3129

F40-44

3129

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

13592

Females

4082

F40-44

4082

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

14410

Females

4644

F40-44

4644

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

13222

Females

4057

F40-44

4057

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

14975

Females

5080

F40-44

5080

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

14418

Females

4855

F40-44

4855

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

15663

Females

5612

F40-44

5612

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14831

Females

5193

F40-44

5193

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15296

Females

5457

F40-44

5457

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

17270

Females

6511

F40-44

6511

Passing Analysis

Category:
Athletes Passed
1725
Passed By
2122
Net Change
-397
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12743
5K → 10K636136+500#12743#12243
10K → 15K237145+92#12243#12151
15K → 20K232107+125#12151#12026
20K → Half2132-11#12026#12037
Half → 25K137130+7#12037#12030
25K → 30K117419-302#12030#12332
30K → 20M58214-156#12332#12488
20M → 21M87106-19#12488#12507
21M → 35K24128-104#12507#12611
35K → 23M58168-110#12611#12721
23M → 24M34182-148#12721#12869
24M → 40K45114-69#12869#12938
40K → 25.2M2050-30#12938#12968
25.2M → Finish19191-172#12968#13140
TOTALS17252122-397
📊

Passing Visuals

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