Boston Marathon logo
BOSTON MARATHON 2025

Bronco Hollowell

Bib: 4156•M

WV

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 14%
Division (M18-39)
#0 / 5642
Top 33%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:13
Rank: #1786
Start → 5K
19:13 | 6:11/mi
10K· 6.21 mi
38:43
Rank: #2036 (-250)
5K → 10K
19:30 | 6:17/mi
15K· 9.32 mi
58:23
Rank: #2173 (-137)
10K → 15K
19:40 | 6:20/mi
20K· 12.43 mi
1:18:18
Rank: #2266 (-93)
15K → 20K
19:55 | 6:25/mi
Half· 13.11 mi
1:22:34
Rank: #2264 (+2)
20K → Half
4:16 | 6:15/mi
25K· 15.53 mi
1:38:51
Rank: #2541 (-277)
Half → 25K
16:17 | 6:43/mi
30K· 18.64 mi
1:59:08
Rank: #2396 (+145)
25K → 30K
20:17 | 6:32/mi
20M
2:08:13
Rank: #2370 (+26)
30K → 20M
9:05 | 6:41/mi
21M
2:15:23
Rank: #2363 (+7)
20M → 21M
7:10 | 7:10/mi
35K· 21.75 mi
2:20:25
Rank: #2384 (-21)
21M → 35K
5:02 | 6:44/mi
23M
2:29:07
Rank: #2432 (-48)
35K → 23M
8:42 | 6:57/mi
24M
2:35:53
Rank: #2438 (-6)
23M → 24M
6:46 | 6:46/mi
40K· 24.85 mi
2:41:46
Rank: #2453 (-15)
24M → 40K
5:53 | 6:53/mi
25.2M
2:44:16
Rank: #2439 (+14)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
2:50:48
Rank: #2401 (+38)
25.2M → Finish
6:32 | 6:25/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
Time1:22:34
Pace6:18 /mi
2nd Half
Distance13.11 mi
Time1:28:14
Pace6:44 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0219:136:1119:13
6:11
-
10K
6.21 mi10:40:3238:436:1419:30
6:17
+0:06
15K
9.32 mi11:00:1258:236:1619:40
6:20
+0:03
20K
12.43 mi11:20:071:18:186:1819:55
6:25
+0:05
Half
13.11 mi11:24:231:22:346:184:16
6:15
-0:10
25K
15.53 mi11:40:401:38:516:2216:17
6:43
+0:28
30K
18.64 mi12:00:571:59:086:2320:17
6:32
-0:11
20M
20.00 mi12:10:022:08:136:259:05
6:41
+0:09
21M
21.00 mi12:17:122:15:236:277:10
7:10
+0:29
35K
21.75 mi12:22:142:20:256:275:02
6:44
-0:26
23M
23.00 mi12:30:562:29:076:298:42
6:57
+0:13
24M
24.00 mi12:37:422:35:536:306:46
6:46
-0:11
40K
24.85 mi12:43:352:41:466:315:53
6:53
+0:07
25.2M
25.20 mi12:46:052:44:166:312:30
7:15
+0:22
Finish
26.22 mi12:52:372:50:486:316:32
6:25
-0:50

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

6:11 /mi

Average Pace

6:31 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:33

86% of race

Time at Steady Pace

24:15

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:31 /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 mi10:21:0219:136:1119:13
6:11
#1786
10K
6.21 mi10:40:3238:436:1419:30
6:17
#2036
15K
9.32 mi11:00:1258:236:1619:40
6:20
#2173
20K
12.43 mi11:20:071:18:186:1819:55
6:25
#2266
Half
13.11 mi11:24:231:22:346:184:16
6:15
#2264
25K
15.53 mi11:40:401:38:516:2216:17
6:43
#2541
30K
18.64 mi12:00:571:59:086:2320:17
6:32
#2396
20M
20.00 mi12:10:022:08:136:259:05
6:41
#2370
21M
21.00 mi12:17:122:15:236:277:10
7:10
#2363
35K
21.75 mi12:22:142:20:256:275:02
6:44
#2384
23M
23.00 mi12:30:562:29:076:298:42
6:57
#2432
24M
24.00 mi12:37:422:35:536:306:46
6:46
#2438
40K
24.85 mi12:43:352:41:466:315:53
6:53
#2453
25.2M
25.20 mi12:46:052:44:166:312:30
7:15
#2439
Finish
26.22 mi12:52:372:50:486:316:32
6:25
#2401
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1786169716972535(Top 9%)2420(Top 15%)2420(Top 43%)
10K6.21 mi3.10 mi2036-2501941-2441941-2442276(Top 8%)2177(Top 14%)2177(Top 39%)
15K9.32 mi3.11 mi2173-1372074-1332074-1332535(Top 9%)2420(Top 15%)2420(Top 43%)
20K12.43 mi3.11 mi2266-932167-932167-932585(Top 9%)2465(Top 15%)2465(Top 44%)
Half13.11 mi0.68 mi2264+22163+42163+42286(Top 8%)2187(Top 14%)2187(Top 39%)
25K15.53 mi2.42 mi2541-2772425-2622425-2624254(Top 15%)3950(Top 25%)3950(Top 70%)
30K18.64 mi3.11 mi2396+1452285+1402285+1402115(Top 7%)2008(Top 12%)2008(Top 36%)
20M20.00 mi1.36 mi2370+262261+242261+242399(Top 8%)2266(Top 14%)2266(Top 40%)
21M21.00 mi1.00 mi2363+72251+102251+102999(Top 11%)2773(Top 17%)2773(Top 49%)
35K21.75 mi0.75 mi2384-212273-222273-223682(Top 13%)3329(Top 21%)3329(Top 59%)
23M23.00 mi1.25 mi2432-482315-422315-423467(Top 12%)3150(Top 20%)3150(Top 56%)
24M24.00 mi1.00 mi2438-62320-52320-53333(Top 12%)2999(Top 19%)2999(Top 53%)
40K24.85 mi0.85 mi2453-152329-92329-93265(Top 11%)2917(Top 18%)2917(Top 52%)
25.2M25.20 mi0.35 mi2439+142313+162313+162358(Top 8%)2111(Top 13%)2111(Top 37%)
Finish26.22 mi1.02 mi2401+382276+372276+372371(Top 8%)2163(Top 13%)2163(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2535

Males

2420

M18-39

2420

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2276

Males

2177

M18-39

2177

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2535

Males

2420

M18-39

2420

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2585

Males

2465

M18-39

2465

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2286

Males

2187

M18-39

2187

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

4254

Males

3950

M18-39

3950

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

2115

Males

2008

M18-39

2008

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2399

Males

2266

M18-39

2266

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

2999

Males

2773

M18-39

2773

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3682

Males

3329

M18-39

3329

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3467

Males

3150

M18-39

3150

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3333

Males

2999

M18-39

2999

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3265

Males

2917

M18-39

2917

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2358

Males

2111

M18-39

2111

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2371

Males

2163

M18-39

2163

Passing Analysis

Category:
Athletes Passed
595
Passed By
1210
Net Change
-615
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1786
5K → 10K27277-250#1786#2036
10K → 15K33170-137#2036#2173
15K → 20K41134-93#2173#2266
20K → Half1210+2#2266#2264
Half → 25K15292-277#2264#2541
25K → 30K17328+145#2541#2396
30K → 20M5428+26#2396#2370
20M → 21M4437+7#2370#2363
21M → 35K2142-21#2363#2384
35K → 23M3280-48#2384#2432
23M → 24M3945-6#2432#2438
24M → 40K3045-15#2438#2453
40K → 25.2M2410+14#2453#2439
25.2M → Finish5012+38#2439#2401
TOTALS5951210-615
📊

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