Boston Marathon logo
BOSTON MARATHON 2025

Joe Niemiec

Bib: 304•M

FL

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 0.6%
Gender (Male)
#0 / 16105
Top 1.0%
Division (M18-39)
#0 / 5642
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:19
Rank: #274
Start → 5K
17:19 | 5:34/mi
10K· 6.21 mi
34:14
Rank: #215 (+59)
5K → 10K
16:55 | 5:27/mi
15K· 9.32 mi
51:20
Rank: #196 (+19)
10K → 15K
17:06 | 5:30/mi
20K· 12.43 mi
1:08:24
Rank: #170 (+26)
15K → 20K
17:04 | 5:30/mi
Half· 13.11 mi
1:12:06
Rank: #164 (+6)
20K → Half
3:42 | 5:25/mi
25K· 15.53 mi
1:25:25
Rank: #152 (+12)
Half → 25K
13:19 | 5:30/mi
30K· 18.64 mi
1:43:08
Rank: #146 (+6)
25K → 30K
17:43 | 5:42/mi
20M
1:51:09
Rank: #150 (-4)
30K → 20M
8:01 | 5:54/mi
21M
1:57:30
Rank: #154 (-4)
20M → 21M
6:21 | 6:21/mi
35K· 21.75 mi
2:01:47
Rank: #161 (-7)
21M → 35K
4:17 | 5:44/mi
23M
2:09:40
Rank: #168 (-7)
35K → 23M
7:53 | 6:18/mi
24M
2:15:45
Rank: #174 (-6)
23M → 24M
6:05 | 6:05/mi
40K· 24.85 mi
2:21:07
Rank: #179 (-5)
24M → 40K
5:22 | 6:17/mi
25.2M
2:23:26
Rank: #179
40K → 25.2M
2:19 | 6:43/mi
Finish· 26.22 mi
2:29:20
Rank: #177 (+2)
25.2M → Finish
5:54 | 5:47/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
Time1:12:06
Pace5:30 /mi
2nd Half
Distance13.11 mi
Time1:17:14
Pace5:53 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:3117:195:3417:19
5:34
-
10K
6.21 mi10:34:2634:145:3116:55
5:27
-0:07
15K
9.32 mi10:51:3251:205:3017:06
5:30
+0:03
20K
12.43 mi11:08:361:08:245:3017:04
5:30
0:00
Half
13.11 mi11:12:181:12:065:303:42
5:25
-0:05
25K
15.53 mi11:25:371:25:255:3013:19
5:30
+0:05
30K
18.64 mi11:43:201:43:085:3217:43
5:42
+0:12
20M
20.00 mi11:51:211:51:095:338:01
5:54
+0:12
21M
21.00 mi11:57:421:57:305:366:21
6:21
+0:27
35K
21.75 mi12:01:592:01:475:364:17
5:44
-0:37
23M
23.00 mi12:09:522:09:405:387:53
6:18
+0:34
24M
24.00 mi12:15:572:15:455:396:05
6:05
-0:13
40K
24.85 mi12:21:192:21:075:415:22
6:17
+0:12
25.2M
25.20 mi12:23:382:23:265:422:19
6:43
+0:26
Finish
26.22 mi12:29:322:29:205:425:54
5:47
-0:56

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

5:25 /mi

Average Pace

5:42 /mi

Slowest Pace

6:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:08:06

46% of race

Time at Steady Pace

53:14

36% of race

Time at Slower Pace

28:00

19% of race

Average Pace: 5:42 /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 mi10:17:3117:195:3417:19
5:34
#274
10K
6.21 mi10:34:2634:145:3116:55
5:27
#215
15K
9.32 mi10:51:3251:205:3017:06
5:30
#196
20K
12.43 mi11:08:361:08:245:3017:04
5:30
#170
Half
13.11 mi11:12:181:12:065:303:42
5:25
#164
25K
15.53 mi11:25:371:25:255:3013:19
5:30
#152
30K
18.64 mi11:43:201:43:085:3217:43
5:42
#146
20M
20.00 mi11:51:211:51:095:338:01
5:54
#150
21M
21.00 mi11:57:421:57:305:366:21
6:21
#154
35K
21.75 mi12:01:592:01:475:364:17
5:44
#161
23M
23.00 mi12:09:522:09:405:387:53
6:18
#168
24M
24.00 mi12:15:572:15:455:396:05
6:05
#174
40K
24.85 mi12:21:192:21:075:415:22
6:17
#179
25.2M
25.20 mi12:23:382:23:265:422:19
6:43
#179
Finish
26.22 mi12:29:322:29:205:425:54
5:47
#177
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi274246246161(Top 0.6%)138(Top 0.9%)138(Top 2%)
10K6.21 mi3.10 mi215+59189+57189+57161(Top 0.6%)134(Top 0.8%)134(Top 2%)
15K9.32 mi3.11 mi196+19170+19170+19161(Top 0.6%)138(Top 0.9%)138(Top 2%)
20K12.43 mi3.11 mi170+26145+25145+25128(Top 0.5%)108(Top 0.7%)108(Top 2%)
Half13.11 mi0.68 mi164+6139+6139+6129(Top 0.5%)120(Top 0.7%)120(Top 2%)
25K15.53 mi2.42 mi152+12129+10129+10127(Top 0.4%)110(Top 0.7%)110(Top 2%)
30K18.64 mi3.11 mi146+6125+4125+4174(Top 0.6%)152(Top 0.9%)152(Top 3%)
20M20.00 mi1.36 mi150-4129-4129-4266(Top 0.9%)246(Top 2%)246(Top 4%)
21M21.00 mi1.00 mi154-4133-4133-4420(Top 1%)395(Top 2%)395(Top 7%)
35K21.75 mi0.75 mi161-7140-7140-7279(Top 1.0%)258(Top 2%)258(Top 5%)
23M23.00 mi1.25 mi168-7147-7147-7855(Top 3%)806(Top 5%)806(Top 14%)
24M24.00 mi1.00 mi174-6153-6153-6719(Top 3%)674(Top 4%)674(Top 12%)
40K24.85 mi0.85 mi179-5158-5158-5892(Top 3%)834(Top 5%)834(Top 15%)
25.2M25.20 mi0.35 mi179158158751(Top 3%)694(Top 4%)694(Top 12%)
Finish26.22 mi1.02 mi177+2156+2156+2484(Top 2%)453(Top 3%)453(Top 8%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.6%
×21stories
+97ft-345ft

Overall

161

Males

138

M18-39

138

5K→10K

3.1 - 6.2 mi

Top 0.6%
×5stories
+79ft-138ft

Overall

161

Males

134

M18-39

134

10K→15K

6.2 - 9.3 mi

Top 0.6%
×3stories
+67ft-78ft

Overall

161

Males

138

M18-39

138

15K→20K

9.3 - 12.4 mi

Top 0.5%
×5stories
+106ft-86ft

Overall

128

Males

108

M18-39

108

20K→Half

12.4 - 13.1 mi

Top 0.5%
×2stories
+19ft-37ft

Overall

129

Males

120

M18-39

120

Half→25K

13.1 - 15.5 mi

Top 0.4%
×4stories
+66ft-88ft

Overall

127

Males

110

M18-39

110

25K→30K

15.5 - 18.6 mi

Top 0.6%
×9stories
+181ft-148ft

Overall

174

Males

152

M18-39

152

30K→20M

18.6 - 20.0 mi

Top 0.9%
×5stories
+64ft-50ft

Overall

266

Males

246

M18-39

246

20M→21M

20.0 - 21.0 mi

Top 1%
×8stories
+106ft-24ft

Overall

420

Males

395

M18-39

395

21M→35K

21.0 - 21.8 mi

Top 1.0%
×7stories
+17ft-86ft

Overall

279

Males

258

M18-39

258

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

855

Males

806

M18-39

806

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

719

Males

674

M18-39

674

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

892

Males

834

M18-39

834

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

751

Males

694

M18-39

694

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

484

Males

453

M18-39

453

Passing Analysis

Category:
Athletes Passed
153
Passed By
56
Net Change
+97
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#274
5K → 10K612+59#274#215
10K → 15K223+19#215#196
15K → 20K271+26#196#170
20K → Half60+6#170#164
Half → 25K131+12#164#152
25K → 30K104+6#152#146
30K → 20M26-4#146#150
20M → 21M48-4#150#154
21M → 35K07-7#154#161
35K → 23M07-7#161#168
23M → 24M17-6#168#174
24M → 40K16-5#174#179
40K → 25.2M110#179#179
25.2M → Finish53+2#179#177
TOTALS15356+97
📊

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