Boston Marathon logo
BOSTON MARATHON 2023

Connor Rayfield

Bib: 24949•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 26%
Gender (Male)
#0 / 15176
Top 40%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:40
Rank: #8074
Start → 5K
22:40 | 7:18/mi
10K· 6.21 mi
45:00
Rank: #8041 (+33)
5K → 10K
22:20 | 7:11/mi
15K· 9.32 mi
1:07:19
Rank: #7913 (+128)
10K → 15K
22:19 | 7:11/mi
20K· 12.43 mi
1:29:47
Rank: #7730 (+183)
15K → 20K
22:28 | 7:14/mi
Half· 13.11 mi
1:34:35
Rank: #7659 (+71)
20K → Half
4:48 | 7:02/mi
25K· 15.53 mi
1:52:02
Rank: #7446 (+213)
Half → 25K
17:27 | 7:12/mi
30K· 18.64 mi
2:14:45
Rank: #7147 (+299)
25K → 30K
22:43 | 7:19/mi
20M
2:24:47
Rank: #7043 (+104)
30K → 20M
10:02 | 7:23/mi
21M
2:32:35
Rank: #6954 (+89)
20M → 21M
7:48 | 7:48/mi
35K· 21.75 mi
2:38:05
Rank: #6947 (+7)
21M → 35K
5:30 | 7:21/mi
23M
2:47:51
Rank: #6977 (-30)
35K → 23M
9:46 | 7:48/mi
24M
2:55:33
Rank: #7040 (-63)
23M → 24M
7:42 | 7:42/mi
40K· 24.85 mi
3:02:15
Rank: #7086 (-46)
24M → 40K
6:42 | 7:50/mi
25.2M
3:05:06
Rank: #7067 (+19)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:12:28
Rank: #7007 (+60)
25.2M → Finish
7:22 | 7:14/mi

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
Time1:34:35
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:37:53
Pace7:28 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:1622:407:1822:40
7:18
-
10K
6.21 mi12:01:3645:007:1522:20
7:11
-0:07
15K
9.32 mi12:23:551:07:197:1322:19
7:11
0:00
20K
12.43 mi12:46:231:29:477:1322:28
7:14
+0:03
Half
13.11 mi12:51:111:34:357:134:48
7:02
-0:12
25K
15.53 mi13:08:381:52:027:1317:27
7:12
+0:10
30K
18.64 mi13:31:212:14:457:1422:43
7:19
+0:07
20M
20.00 mi13:41:232:24:477:1410:02
7:23
+0:04
21M
21.00 mi13:49:112:32:357:167:48
7:48
+0:25
35K
21.75 mi13:54:412:38:057:165:30
7:21
-0:27
23M
23.00 mi14:04:272:47:517:189:46
7:48
+0:27
24M
24.00 mi14:12:092:55:337:197:42
7:42
-0:06
40K
24.85 mi14:18:513:02:157:206:42
7:50
+0:08
25.2M
25.20 mi14:21:423:05:067:212:51
8:16
+0:26
Finish
26.22 mi14:29:043:12:287:217:22
7:14
-1:02

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

7:02 /mi

Average Pace

7:21 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:21

86% of race

Time at Steady Pace

27:07

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:20 /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 mi11:39:1622:407:1822:40
7:18
#8074
10K
6.21 mi12:01:3645:007:1522:20
7:11
#8041
15K
9.32 mi12:23:551:07:197:1322:19
7:11
#7913
20K
12.43 mi12:46:231:29:477:1322:28
7:14
#7730
Half
13.11 mi12:51:111:34:357:134:48
7:02
#7659
25K
15.53 mi13:08:381:52:027:1317:27
7:12
#7446
30K
18.64 mi13:31:212:14:457:1422:43
7:19
#7147
20M
20.00 mi13:41:232:24:477:1410:02
7:23
#7043
21M
21.00 mi13:49:112:32:357:167:48
7:48
#6954
35K
21.75 mi13:54:412:38:057:165:30
7:21
#6947
23M
23.00 mi14:04:272:47:517:189:46
7:48
#6977
24M
24.00 mi14:12:092:55:337:197:42
7:42
#7040
40K
24.85 mi14:18:513:02:157:206:42
7:50
#7086
25.2M
25.20 mi14:21:423:05:067:212:51
8:16
#7067
Finish
26.22 mi14:29:043:12:287:217:22
7:14
#7007
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi8074701970197676(Top 29%)6706(Top 44%)6706(Top 127%)
10K6.21 mi3.10 mi8041+336985+346985+348001(Top 30%)6938(Top 46%)6938(Top 131%)
15K9.32 mi3.11 mi7913+1286901+846901+847676(Top 29%)6706(Top 44%)6706(Top 127%)
20K12.43 mi3.11 mi7730+1836765+1366765+1367293(Top 27%)6419(Top 42%)6419(Top 121%)
Half13.11 mi0.68 mi7659+716711+546711+546741(Top 25%)6048(Top 40%)6048(Top 114%)
25K15.53 mi2.42 mi7446+2136561+1506561+1506658(Top 25%)5905(Top 39%)5905(Top 112%)
30K18.64 mi3.11 mi7147+2996325+2366325+2366098(Top 23%)5439(Top 36%)5439(Top 103%)
20M20.00 mi1.36 mi7043+1046237+886237+886101(Top 23%)5374(Top 35%)5374(Top 102%)
21M21.00 mi1.00 mi6954+896157+806157+806175(Top 23%)5323(Top 35%)5323(Top 101%)
35K21.75 mi0.75 mi6947+76143+146143+147443(Top 28%)6147(Top 41%)6147(Top 116%)
23M23.00 mi1.25 mi6977-306132+116132+118388(Top 32%)6630(Top 44%)6630(Top 125%)
24M24.00 mi1.00 mi7040-636160-286160-289054(Top 34%)6910(Top 46%)6910(Top 131%)
40K24.85 mi0.85 mi7086-466174-146174-148870(Top 33%)6732(Top 44%)6732(Top 127%)
25.2M25.20 mi0.35 mi7067+196151+236151+237981(Top 30%)6141(Top 40%)6141(Top 116%)
Finish26.22 mi1.02 mi7007+606089+626089+626607(Top 25%)5318(Top 35%)5318(Top 101%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

7676

Males

6706

M18-39

6706

5K→10K

3.1 - 6.2 mi

Top 30%
×5stories
+79ft-138ft

Overall

8001

Males

6938

M18-39

6938

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

7676

Males

6706

M18-39

6706

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7293

Males

6419

M18-39

6419

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

6741

Males

6048

M18-39

6048

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

6658

Males

5905

M18-39

5905

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6098

Males

5439

M18-39

5439

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6101

Males

5374

M18-39

5374

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6175

Males

5323

M18-39

5323

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7443

Males

6147

M18-39

6147

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

8388

Males

6630

M18-39

6630

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9054

Males

6910

M18-39

6910

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8870

Males

6732

M18-39

6732

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

7981

Males

6141

M18-39

6141

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6607

Males

5318

M18-39

5318

Passing Analysis

Category:
Athletes Passed
1819
Passed By
752
Net Change
+1067
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8074
5K → 10K244211+33#8074#8041
10K → 15K20779+128#8041#7913
15K → 20K21128+183#7913#7730
20K → Half776+71#7730#7659
Half → 25K22512+213#7659#7446
25K → 30K31718+299#7446#7147
30K → 20M12016+104#7147#7043
20M → 21M10718+89#7043#6954
21M → 35K3932+7#6954#6947
35K → 23M72102-30#6947#6977
23M → 24M3598-63#6977#7040
24M → 40K3480-46#7040#7086
40K → 25.2M3819+19#7086#7067
25.2M → Finish9333+60#7067#7007
TOTALS1819752+1067
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing