Boston Marathon logo
BOSTON MARATHON 2025

Thomas Davies

Bib: 5884•M

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:21
Rank: #4180
Start → 5K
20:21 | 6:33/mi
10K· 6.21 mi
40:49
Rank: #4251 (-71)
5K → 10K
20:28 | 6:35/mi
15K· 9.32 mi
1:01:21
Rank: #4261 (-10)
10K → 15K
20:32 | 6:37/mi
20K· 12.43 mi
1:22:23
Rank: #4394 (-133)
15K → 20K
21:02 | 6:46/mi
Half· 13.11 mi
1:26:59
Rank: #4444 (-50)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:44:38
Rank: #5120 (-676)
Half → 25K
17:39 | 7:17/mi
30K· 18.64 mi
2:11:05
Rank: #6867 (-1747)
25K → 30K
26:27 | 8:31/mi
20M
2:23:30
Rank: #7566 (-699)
30K → 20M
12:25 | 9:08/mi
21M
2:33:32
Rank: #8219 (-653)
20M → 21M
10:02 | 10:02/mi
35K· 21.75 mi
2:40:20
Rank: #8667 (-448)
21M → 35K
6:48 | 9:05/mi
23M
2:52:46
Rank: #9595 (-928)
35K → 23M
12:26 | 9:56/mi
24M
3:01:44
Rank: #10002 (-407)
23M → 24M
8:58 | 8:58/mi
40K· 24.85 mi
3:10:03
Rank: #10451 (-449)
24M → 40K
8:19 | 9:44/mi
25.2M
3:13:41
Rank: #10617 (-166)
40K → 25.2M
3:38 | 10:32/mi
Finish· 26.22 mi
3:23:02
Rank: #11042 (-425)
25.2M → Finish
9:21 | 9:11/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 HalfFaster
Distance13.11 mi
Time1:26:59
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:56:03
Pace8:51 /mi
📊Positive Split: 33.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3920:216:3320:21
6:33
-
10K
6.21 mi10:45:0740:496:3420:28
6:35
+0:02
15K
9.32 mi11:05:391:01:216:3520:32
6:37
+0:02
20K
12.43 mi11:26:411:22:236:3821:02
6:46
+0:09
Half
13.11 mi11:31:171:26:596:384:36
6:45
-0:01
25K
15.53 mi11:48:561:44:386:4417:39
7:17
+0:32
30K
18.64 mi12:15:232:11:057:0226:27
8:31
+1:14
20M
20.00 mi12:27:482:23:307:1012:25
9:08
+0:37
21M
21.00 mi12:37:502:33:327:1910:02
10:02
+0:54
35K
21.75 mi12:44:382:40:207:226:48
9:05
-0:57
23M
23.00 mi12:57:042:52:467:3112:26
9:56
+0:51
24M
24.00 mi13:06:023:01:447:348:58
8:58
-0:58
40K
24.85 mi13:14:213:10:037:398:19
9:44
+0:46
25.2M
25.20 mi13:17:593:13:417:413:38
10:32
+0:48
Finish
26.22 mi13:27:203:23:027:459:21
9:11
-1:21

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

6:33 /mi

Average Pace

7:45 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:38

52% of race

Time at Steady Pace

1:03:59

32% of race

Time at Slower Pace

34:25

17% of race

Average Pace: 7:45 /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 mi10:24:3920:216:3320:21
6:33
#4180
10K
6.21 mi10:45:0740:496:3420:28
6:35
#4251
15K
9.32 mi11:05:391:01:216:3520:32
6:37
#4261
20K
12.43 mi11:26:411:22:236:3821:02
6:46
#4394
Half
13.11 mi11:31:171:26:596:384:36
6:45
#4444
25K
15.53 mi11:48:561:44:386:4417:39
7:17
#5120
30K
18.64 mi12:15:232:11:057:0226:27
8:31
#6867
20M
20.00 mi12:27:482:23:307:1012:25
9:08
#7566
21M
21.00 mi12:37:502:33:327:1910:02
10:02
#8219
35K
21.75 mi12:44:382:40:207:226:48
9:05
#8667
23M
23.00 mi12:57:042:52:467:3112:26
9:56
#9595
24M
24.00 mi13:06:023:01:447:348:58
8:58
#10002
40K
24.85 mi13:14:213:10:037:398:19
9:44
#10451
25.2M
25.20 mi13:17:593:13:417:413:38
10:32
#10617
Finish
26.22 mi13:27:203:23:027:459:21
9:11
#11042
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4180393339334286(Top 15%)4024(Top 25%)4024(Top 71%)
10K6.21 mi3.10 mi4251-713998-653998-654344(Top 15%)4077(Top 25%)4077(Top 72%)
15K9.32 mi3.11 mi4261-104007-94007-94286(Top 15%)4024(Top 25%)4024(Top 71%)
20K12.43 mi3.11 mi4394-1334124-1174124-1174978(Top 18%)4594(Top 29%)4594(Top 81%)
Half13.11 mi0.68 mi4444-504168-444168-445540(Top 20%)5060(Top 31%)5060(Top 90%)
25K15.53 mi2.42 mi5120-6764745-5774745-5778180(Top 29%)6863(Top 43%)6863(Top 122%)
30K18.64 mi3.11 mi6867-17476105-13606105-136014822(Top 52%)9971(Top 62%)9971(Top 177%)
20M20.00 mi1.36 mi7566-6996563-4586563-45817460(Top 61%)11009(Top 68%)11009(Top 195%)
21M21.00 mi1.00 mi8219-6536943-3806943-38018400(Top 65%)11334(Top 70%)11334(Top 201%)
35K21.75 mi0.75 mi8667-4487187-2447187-24418621(Top 66%)11300(Top 70%)11300(Top 200%)
23M23.00 mi1.25 mi9595-9287664-4777664-47720254(Top 71%)12025(Top 75%)12025(Top 213%)
24M24.00 mi1.00 mi10002-4077829-1657829-16517153(Top 60%)10524(Top 65%)10524(Top 187%)
40K24.85 mi0.85 mi10451-4498035-2068035-20619542(Top 69%)11569(Top 72%)11569(Top 205%)
25.2M25.20 mi0.35 mi10617-1668096-618096-6119052(Top 67%)11311(Top 70%)11311(Top 200%)
Finish26.22 mi1.02 mi11042-4258248-1528248-15219814(Top 70%)11711(Top 73%)11711(Top 208%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4286

Males

4024

M18-39

4024

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4344

Males

4077

M18-39

4077

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4286

Males

4024

M18-39

4024

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4978

Males

4594

M18-39

4594

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5540

Males

5060

M18-39

5060

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

8180

Males

6863

M18-39

6863

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

14822

Males

9971

M18-39

9971

30K→20M

18.6 - 20.0 mi

Top 61%
×5stories
+64ft-50ft

Overall

17460

Males

11009

M18-39

11009

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

18400

Males

11334

M18-39

11334

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

18621

Males

11300

M18-39

11300

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

20254

Males

12025

M18-39

12025

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

17153

Males

10524

M18-39

10524

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

19542

Males

11569

M18-39

11569

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

19052

Males

11311

M18-39

11311

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

19814

Males

11711

M18-39

11711

Passing Analysis

Category:
Athletes Passed
416
Passed By
7275
Net Change
-6862
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4180
5K → 10K110181-71#4180#4251
10K → 15K91101-10#4251#4261
15K → 20K63196-133#4261#4394
20K → Half454-50#4394#4444
Half → 25K28704-676#4444#5120
25K → 30K171764-1747#5120#6867
30K → 20M14713-699#6867#7566
20M → 21M9662-653#7566#8219
21M → 35K8456-448#8219#8667
35K → 23M13941-928#8667#9595
23M → 24M22427-407#9595#10002
24M → 40K15463-449#10002#10451
40K → 25.2M11177-166#10451#10617
25.2M → Finish11436-425#10617#11042
TOTALS4167275-6862
📊

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