Boston Marathon logo
BOSTON MARATHON 2025

Barry Twohig

Bib: 508•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 3%
Masters (Masters Men)
#0 / 10463
Top 0.7%
Division (M45-49)
#0 / 2386
Top 0.6%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
16:44
Rank: #112
Start → 5K
16:44 | 5:23/mi
10K· 6.21 mi
33:54
Rank: #172 (-60)
5K → 10K
17:10 | 5:32/mi
15K· 9.32 mi
51:11
Rank: #186 (-14)
10K → 15K
17:17 | 5:34/mi
20K· 12.43 mi
1:08:35
Rank: #184 (+2)
15K → 20K
17:24 | 5:36/mi
Half· 13.11 mi
1:12:21
Rank: #182 (+2)
20K → Half
3:46 | 5:31/mi
25K· 15.53 mi
1:26:03
Rank: #182
Half → 25K
13:42 | 5:39/mi
30K· 18.64 mi
1:44:19
Rank: #200 (-18)
25K → 30K
18:16 | 5:53/mi
20M
1:52:36
Rank: #199 (+1)
30K → 20M
8:17 | 6:06/mi
21M
1:59:29
Rank: #226 (-27)
20M → 21M
6:53 | 6:53/mi
35K· 21.75 mi
2:04:21
Rank: #252 (-26)
21M → 35K
4:52 | 6:30/mi
23M
2:13:54
Rank: #366 (-114)
35K → 23M
9:33 | 7:38/mi
24M
2:21:27
Rank: #438 (-72)
23M → 24M
7:33 | 7:33/mi
40K· 24.85 mi
2:28:11
Rank: #548 (-110)
24M → 40K
6:44 | 7:53/mi
25.2M
2:30:45
Rank: #563 (-15)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
2:37:21
Rank: #597 (-34)
25.2M → Finish
6:36 | 6:29/mi

Course Map & Elevation

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
Time1:12:21
Pace5:31 /mi
2nd Half
Distance13.11 mi
Time1:25:00
Pace6:29 /mi
📊Positive Split: 17.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:16:4816:445:2316:44
5:23
-
10K
6.21 mi10:33:5833:545:2717:10
5:32
+0:09
15K
9.32 mi10:51:1551:115:2917:17
5:34
+0:02
20K
12.43 mi11:08:391:08:355:3117:24
5:36
+0:02
Half
13.11 mi11:12:251:12:215:313:46
5:31
-0:05
25K
15.53 mi11:26:071:26:035:3213:42
5:39
+0:08
30K
18.64 mi11:44:231:44:195:3618:16
5:53
+0:14
20M
20.00 mi11:52:401:52:365:388:17
6:06
+0:13
21M
21.00 mi11:59:331:59:295:416:53
6:53
+0:47
35K
21.75 mi12:04:252:04:215:434:52
6:30
-0:23
23M
23.00 mi12:13:582:13:545:499:33
7:38
+1:08
24M
24.00 mi12:21:312:21:275:547:33
7:33
-0:05
40K
24.85 mi12:28:152:28:115:586:44
7:53
+0:20
25.2M
25.20 mi12:30:492:30:455:592:34
7:27
-0:26
Finish
26.22 mi12:37:252:37:216:006:36
6:29
-0:58

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

5:23 /mi

Average Pace

6:00 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:26:03

55% of race

Time at Steady Pace

38:01

24% of race

Time at Slower Pace

33:17

21% of race

Average Pace: 6:00 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:16:4816:445:2316:44
5:23
#112
10K
6.21 mi10:33:5833:545:2717:10
5:32
#172
15K
9.32 mi10:51:1551:115:2917:17
5:34
#186
20K
12.43 mi11:08:391:08:355:3117:24
5:36
#184
Half
13.11 mi11:12:251:12:215:313:46
5:31
#182
25K
15.53 mi11:26:071:26:035:3213:42
5:39
#182
30K
18.64 mi11:44:231:44:195:3618:16
5:53
#200
20M
20.00 mi11:52:401:52:365:388:17
6:06
#199
21M
21.00 mi11:59:331:59:295:416:53
6:53
#226
35K
21.75 mi12:04:252:04:215:434:52
6:30
#252
23M
23.00 mi12:13:582:13:545:499:33
7:38
#366
24M
24.00 mi12:21:312:21:275:547:33
7:33
#438
40K
24.85 mi12:28:152:28:115:586:44
7:53
#548
25.2M
25.20 mi12:30:492:30:455:592:34
7:27
#563
Finish
26.22 mi12:37:252:37:216:006:36
6:29
#597
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi112111111220(Top 0.8%)193(Top 1%)193(Top 8%)
10K6.21 mi3.10 mi172-60146-35146-35224(Top 0.8%)196(Top 1%)196(Top 8%)
15K9.32 mi3.11 mi186-14160-14160-14220(Top 0.8%)193(Top 1%)193(Top 8%)
20K12.43 mi3.11 mi184+2159+1159+1202(Top 0.7%)179(Top 1%)179(Top 8%)
Half13.11 mi0.68 mi182+2157+2157+2218(Top 0.8%)196(Top 1%)196(Top 8%)
25K15.53 mi2.42 mi182157157241(Top 0.8%)216(Top 1%)216(Top 9%)
30K18.64 mi3.11 mi200-18177-20177-20330(Top 1%)304(Top 2%)304(Top 13%)
20M20.00 mi1.36 mi199+1176+1176+1532(Top 2%)499(Top 3%)499(Top 21%)
21M21.00 mi1.00 mi226-27203-27203-271789(Top 6%)1684(Top 10%)1684(Top 71%)
35K21.75 mi0.75 mi252-26229-26229-262442(Top 9%)2275(Top 14%)2275(Top 95%)
23M23.00 mi1.25 mi366-114338-109338-1097384(Top 26%)5787(Top 36%)5787(Top 243%)
24M24.00 mi1.00 mi438-72404-66404-668001(Top 28%)6096(Top 38%)6096(Top 255%)
40K24.85 mi0.85 mi548-110504-100504-1009238(Top 33%)6631(Top 41%)6631(Top 278%)
25.2M25.20 mi0.35 mi563-15518-14518-143051(Top 11%)2692(Top 17%)2692(Top 113%)
Finish26.22 mi1.02 mi597-34551-33551-332673(Top 9%)2403(Top 15%)2403(Top 101%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.8%
×21stories
+97ft-345ft

Overall

220

Males

193

M45-49

193

5K→10K

3.1 - 6.2 mi

Top 0.8%
×5stories
+79ft-138ft

Overall

224

Males

196

M45-49

196

10K→15K

6.2 - 9.3 mi

Top 0.8%
×3stories
+67ft-78ft

Overall

220

Males

193

M45-49

193

15K→20K

9.3 - 12.4 mi

Top 0.7%
×5stories
+106ft-86ft

Overall

202

Males

179

M45-49

179

20K→Half

12.4 - 13.1 mi

Top 0.8%
×2stories
+19ft-37ft

Overall

218

Males

196

M45-49

196

Half→25K

13.1 - 15.5 mi

Top 0.8%
×4stories
+66ft-88ft

Overall

241

Males

216

M45-49

216

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

330

Males

304

M45-49

304

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

532

Males

499

M45-49

499

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1789

Males

1684

M45-49

1684

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2442

Males

2275

M45-49

2275

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

7384

Males

5787

M45-49

5787

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

8001

Males

6096

M45-49

6096

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

9238

Males

6631

M45-49

6631

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3051

Males

2692

M45-49

2692

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2673

Males

2403

M45-49

2403

Passing Analysis

Category:
Athletes Passed
47
Passed By
532
Net Change
-485
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#112
5K → 10K262-60#112#172
10K → 15K216-14#172#186
15K → 20K119+2#186#184
20K → Half31+2#184#182
Half → 25K880#182#182
25K → 30K725-18#182#200
30K → 20M43+1#200#199
20M → 21M128-27#199#226
21M → 35K127-26#226#252
35K → 23M0114-114#252#366
23M → 24M173-72#366#438
24M → 40K0110-110#438#548
40K → 25.2M116-15#548#563
25.2M → Finish640-34#563#597
TOTALS47532-485
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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