Boston Marathon logo
BOSTON MARATHON 2024

Bryce Shirley

Bib: 4756•M

NE

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 3%
Gender (Male)
#0 / 14578
Top 6%
Division (M18-39)
#0 / 4849
Top 14%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:02
Rank: #2993
Start → 5K
20:02 | 6:27/mi
10K· 6.21 mi
39:40
Rank: #2422 (+571)
5K → 10K
19:38 | 6:19/mi
15K· 9.32 mi
59:13
Rank: #2143 (+279)
10K → 15K
19:33 | 6:18/mi
20K· 12.43 mi
1:18:40
Rank: #1821 (+322)
15K → 20K
19:27 | 6:16/mi
Half· 13.11 mi
1:22:48
Rank: #1758 (+63)
20K → Half
4:08 | 6:03/mi
25K· 15.53 mi
1:37:49
Rank: #1551 (+207)
Half → 25K
15:01 | 6:12/mi
30K· 18.64 mi
1:57:14
Rank: #1251 (+300)
25K → 30K
19:25 | 6:15/mi
20M
2:05:43
Rank: #1123 (+128)
30K → 20M
8:29 | 6:15/mi
21M
2:12:22
Rank: #1041 (+82)
20M → 21M
6:39 | 6:39/mi
35K· 21.75 mi
2:17:36
Rank: #1078 (-37)
21M → 35K
5:14 | 7:00/mi
23M
2:25:35
Rank: #1007 (+71)
35K → 23M
7:59 | 6:23/mi
24M
2:31:45
Rank: #945 (+62)
23M → 24M
6:10 | 6:10/mi
40K· 24.85 mi
2:37:12
Rank: #897 (+48)
24M → 40K
5:27 | 6:22/mi
25.2M
2:39:41
Rank: #881 (+16)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
2:45:59
Rank: #852 (+29)
25.2M → Finish
6:18 | 6:11/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 Half⚖️ Balanced
Distance13.11 mi
Time1:22:48
Pace6:19 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:23:11
Pace6:21 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:4320:026:2720:02
6:27
-
10K
6.21 mi10:44:2139:406:2319:38
6:19
-0:08
15K
9.32 mi11:03:5459:136:2119:33
6:18
-0:01
20K
12.43 mi11:23:211:18:406:2019:27
6:16
-0:02
Half
13.11 mi11:27:291:22:486:194:08
6:03
-0:13
25K
15.53 mi11:42:301:37:496:1815:01
6:12
+0:09
30K
18.64 mi12:01:551:57:146:1719:25
6:15
+0:03
20M
20.00 mi12:10:242:05:436:178:29
6:15
0:00
21M
21.00 mi12:17:032:12:226:186:39
6:39
+0:24
35K
21.75 mi12:22:172:17:366:205:14
7:00
+0:21
23M
23.00 mi12:30:162:25:356:207:59
6:23
-0:37
24M
24.00 mi12:36:262:31:456:196:10
6:10
-0:13
40K
24.85 mi12:41:532:37:126:195:27
6:22
+0:12
25.2M
25.20 mi12:44:222:39:416:202:29
7:12
+0:50
Finish
26.22 mi12:50:402:45:596:206:18
6:11
-1:01

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

6:03 /mi

Average Pace

6:20 /mi

Slowest Pace

7:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:16

95% of race

Time at Steady Pace

5:14

3% of race

Time at Slower Pace

2:29

1% of race

Average Pace: 6:20 /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 mi10:24:4320:026:2720:02
6:27
#2993
10K
6.21 mi10:44:2139:406:2319:38
6:19
#2422
15K
9.32 mi11:03:5459:136:2119:33
6:18
#2143
20K
12.43 mi11:23:211:18:406:2019:27
6:16
#1821
Half
13.11 mi11:27:291:22:486:194:08
6:03
#1758
25K
15.53 mi11:42:301:37:496:1815:01
6:12
#1551
30K
18.64 mi12:01:551:57:146:1719:25
6:15
#1251
20M
20.00 mi12:10:242:05:436:178:29
6:15
#1123
21M
21.00 mi12:17:032:12:226:186:39
6:39
#1041
35K
21.75 mi12:22:172:17:366:205:14
7:00
#1078
23M
23.00 mi12:30:162:25:356:207:59
6:23
#1007
24M
24.00 mi12:36:262:31:456:196:10
6:10
#945
40K
24.85 mi12:41:532:37:126:195:27
6:22
#897
25.2M
25.20 mi12:44:222:39:416:202:29
7:12
#881
Finish
26.22 mi12:50:402:45:596:206:18
6:11
#852
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2993286028601698(Top 7%)1646(Top 11%)1646(Top 34%)
10K6.21 mi3.10 mi2422+5712331+5292331+5292001(Top 8%)1937(Top 13%)1937(Top 40%)
15K9.32 mi3.11 mi2143+2792073+2582073+2581698(Top 7%)1646(Top 11%)1646(Top 34%)
20K12.43 mi3.11 mi1821+3221764+3091764+3091233(Top 5%)1192(Top 8%)1192(Top 25%)
Half13.11 mi0.68 mi1758+631704+601704+60919(Top 4%)886(Top 6%)886(Top 18%)
25K15.53 mi2.42 mi1551+2071501+2031501+203831(Top 3%)799(Top 5%)799(Top 16%)
30K18.64 mi3.11 mi1251+3001206+2951206+295557(Top 2%)529(Top 4%)529(Top 11%)
20M20.00 mi1.36 mi1123+1281082+1241082+124447(Top 2%)418(Top 3%)418(Top 9%)
21M21.00 mi1.00 mi1041+821000+821000+82508(Top 2%)477(Top 3%)477(Top 10%)
35K21.75 mi0.75 mi1078-371036-361036-363016(Top 12%)2705(Top 19%)2705(Top 56%)
23M23.00 mi1.25 mi1007+71965+71965+71505(Top 2%)473(Top 3%)473(Top 10%)
24M24.00 mi1.00 mi945+62903+62903+62426(Top 2%)396(Top 3%)396(Top 8%)
40K24.85 mi0.85 mi897+48856+47856+47543(Top 2%)509(Top 3%)509(Top 10%)
25.2M25.20 mi0.35 mi881+16840+16840+16846(Top 3%)777(Top 5%)777(Top 16%)
Finish26.22 mi1.02 mi852+29811+29811+29678(Top 3%)633(Top 4%)633(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1698

Males

1646

M18-39

1646

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2001

Males

1937

M18-39

1937

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1698

Males

1646

M18-39

1646

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1233

Males

1192

M18-39

1192

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

919

Males

886

M18-39

886

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

831

Males

799

M18-39

799

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

557

Males

529

M18-39

529

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

447

Males

418

M18-39

418

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

508

Males

477

M18-39

477

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3016

Males

2705

M18-39

2705

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

505

Males

473

M18-39

473

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

426

Males

396

M18-39

396

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

543

Males

509

M18-39

509

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

846

Males

777

M18-39

777

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

678

Males

633

M18-39

633

Passing Analysis

Category:
Athletes Passed
2203
Passed By
62
Net Change
+2141
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2993
5K → 10K5765+571#2993#2422
10K → 15K2823+279#2422#2143
15K → 20K3220+322#2143#1821
20K → Half630+63#1821#1758
Half → 25K2070+207#1758#1551
25K → 30K3000+300#1551#1251
30K → 20M1280+128#1251#1123
20M → 21M842+82#1123#1041
21M → 35K643-37#1041#1078
35K → 23M721+71#1078#1007
23M → 24M631+62#1007#945
24M → 40K480+48#945#897
40K → 25.2M193+16#897#881
25.2M → Finish334+29#881#852
TOTALS220362+2141
📊

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