Boston Marathon logo
BOSTON MARATHON 2025

Tyler Shirley

Bib: 1916•M

TX

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 6%
Gender (Male)
#0 / 16105
Top 9%
Division (M18-39)
#0 / 5642
Top 23%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:32
Rank: #2371
Start → 5K
19:32 | 6:17/mi
10K· 6.21 mi
39:02
Rank: #2300 (+71)
5K → 10K
19:30 | 6:17/mi
15K· 9.32 mi
58:25
Rank: #2189 (+111)
10K → 15K
19:23 | 6:14/mi
20K· 12.43 mi
1:17:36
Rank: #1967 (+222)
15K → 20K
19:11 | 6:10/mi
Half· 13.11 mi
1:21:49
Rank: #1963 (+4)
20K → Half
4:13 | 6:11/mi
25K· 15.53 mi
1:36:48
Rank: #1844 (+119)
Half → 25K
14:59 | 6:11/mi
30K· 18.64 mi
1:56:24
Rank: #1682 (+162)
25K → 30K
19:36 | 6:19/mi
20M
2:05:07
Rank: #1629 (+53)
30K → 20M
8:43 | 6:25/mi
21M
2:11:54
Rank: #1589 (+40)
20M → 21M
6:47 | 6:47/mi
35K· 21.75 mi
2:16:47
Rank: #1611 (-22)
21M → 35K
4:53 | 6:32/mi
23M
2:25:19
Rank: #1622 (-11)
35K → 23M
8:32 | 6:49/mi
24M
2:31:46
Rank: #1610 (+12)
23M → 24M
6:27 | 6:27/mi
40K· 24.85 mi
2:37:23
Rank: #1593 (+17)
24M → 40K
5:37 | 6:34/mi
25.2M
2:39:50
Rank: #1581 (+12)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:46:23
Rank: #1600 (-19)
25.2M → Finish
6:33 | 6:26/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
Time1:21:49
Pace6:14 /mi
2nd Half
Distance13.11 mi
Time1:24:34
Pace6:27 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1519:326:1719:32
6:17
-
10K
6.21 mi10:39:4539:026:1719:30
6:17
0:00
15K
9.32 mi10:59:0858:256:1619:23
6:14
-0:03
20K
12.43 mi11:18:191:17:366:1519:11
6:10
-0:04
Half
13.11 mi11:22:321:21:496:144:13
6:11
+0:01
25K
15.53 mi11:37:311:36:486:1414:59
6:11
0:00
30K
18.64 mi11:57:071:56:246:1519:36
6:19
+0:08
20M
20.00 mi12:05:502:05:076:158:43
6:25
+0:06
21M
21.00 mi12:12:372:11:546:176:47
6:47
+0:22
35K
21.75 mi12:17:302:16:476:174:53
6:32
-0:15
23M
23.00 mi12:26:022:25:196:198:32
6:49
+0:17
24M
24.00 mi12:32:292:31:466:196:27
6:27
-0:22
40K
24.85 mi12:38:062:37:236:205:37
6:34
+0:07
25.2M
25.20 mi12:40:332:39:506:212:27
7:06
+0:32
Finish
26.22 mi12:47:062:46:236:216:33
6:26
-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

6:10 /mi

Average Pace

6:21 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:37

89% of race

Time at Steady Pace

17:46

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:21 /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 mi10:20:1519:326:1719:32
6:17
#2371
10K
6.21 mi10:39:4539:026:1719:30
6:17
#2300
15K
9.32 mi10:59:0858:256:1619:23
6:14
#2189
20K
12.43 mi11:18:191:17:366:1519:11
6:10
#1967
Half
13.11 mi11:22:321:21:496:144:13
6:11
#1963
25K
15.53 mi11:37:311:36:486:1414:59
6:11
#1844
30K
18.64 mi11:57:071:56:246:1519:36
6:19
#1682
20M
20.00 mi12:05:502:05:076:158:43
6:25
#1629
21M
21.00 mi12:12:372:11:546:176:47
6:47
#1589
35K
21.75 mi12:17:302:16:476:174:53
6:32
#1611
23M
23.00 mi12:26:022:25:196:198:32
6:49
#1622
24M
24.00 mi12:32:292:31:466:196:27
6:27
#1610
40K
24.85 mi12:38:062:37:236:205:37
6:34
#1593
25.2M
25.20 mi12:40:332:39:506:212:27
7:06
#1581
Finish
26.22 mi12:47:062:46:236:216:33
6:26
#1600
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2371226022602035(Top 7%)1939(Top 12%)1939(Top 34%)
10K6.21 mi3.10 mi2300+712193+672193+672273(Top 8%)2174(Top 13%)2174(Top 39%)
15K9.32 mi3.11 mi2189+1112090+1032090+1032035(Top 7%)1939(Top 12%)1939(Top 34%)
20K12.43 mi3.11 mi1967+2221877+2131877+2131482(Top 5%)1404(Top 9%)1404(Top 25%)
Half13.11 mi0.68 mi1963+41873+41873+41900(Top 7%)1813(Top 11%)1813(Top 32%)
25K15.53 mi2.42 mi1844+1191755+1181755+1181378(Top 5%)1307(Top 8%)1307(Top 23%)
30K18.64 mi3.11 mi1682+1621598+1571598+1571237(Top 4%)1168(Top 7%)1168(Top 21%)
20M20.00 mi1.36 mi1629+531544+541544+541303(Top 5%)1231(Top 8%)1231(Top 22%)
21M21.00 mi1.00 mi1589+401506+381506+381487(Top 5%)1403(Top 9%)1403(Top 25%)
35K21.75 mi0.75 mi1611-221527-211527-212614(Top 9%)2433(Top 15%)2433(Top 43%)
23M23.00 mi1.25 mi1622-111535-81535-82782(Top 10%)2556(Top 16%)2556(Top 45%)
24M24.00 mi1.00 mi1610+121524+111524+111864(Top 7%)1733(Top 11%)1733(Top 31%)
40K24.85 mi0.85 mi1593+171508+161508+161868(Top 7%)1722(Top 11%)1722(Top 31%)
25.2M25.20 mi0.35 mi1581+121496+121496+121816(Top 6%)1655(Top 10%)1655(Top 29%)
Finish26.22 mi1.02 mi1600-191515-191515-192455(Top 9%)2235(Top 14%)2235(Top 40%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

2035

Males

1939

M18-39

1939

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2273

Males

2174

M18-39

2174

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

2035

Males

1939

M18-39

1939

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1482

Males

1404

M18-39

1404

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1900

Males

1813

M18-39

1813

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1378

Males

1307

M18-39

1307

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1237

Males

1168

M18-39

1168

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1303

Males

1231

M18-39

1231

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1487

Males

1403

M18-39

1403

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2614

Males

2433

M18-39

2433

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2782

Males

2556

M18-39

2556

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1864

Males

1733

M18-39

1733

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1868

Males

1722

M18-39

1722

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1816

Males

1655

M18-39

1655

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2455

Males

2235

M18-39

2235

Passing Analysis

Category:
Athletes Passed
1107
Passed By
336
Net Change
+771
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2371
5K → 10K14877+71#2371#2300
10K → 15K13928+111#2300#2189
15K → 20K2231+222#2189#1967
20K → Half1410+4#1967#1963
Half → 25K1245+119#1963#1844
25K → 30K17311+162#1844#1682
30K → 20M6411+53#1682#1629
20M → 21M5616+40#1629#1589
21M → 35K1739-22#1589#1611
35K → 23M3849-11#1611#1622
23M → 24M4230+12#1622#1610
24M → 40K3417+17#1610#1593
40K → 25.2M153+12#1593#1581
25.2M → Finish2039-19#1581#1600
TOTALS1107336+771
📊

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