Boston Marathon logo
BOSTON MARATHON 2025

Nicholas Grala

Bib: 5682•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 16%
Gender (Male)
#0 / 16105
Top 26%
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
20:00
Rank: #3383
Start → 5K
20:00 | 6:26/mi
10K· 6.21 mi
40:14
Rank: #3600 (-217)
5K → 10K
20:14 | 6:31/mi
15K· 9.32 mi
1:00:40
Rank: #3760 (-160)
10K → 15K
20:26 | 6:35/mi
20K· 12.43 mi
1:21:40
Rank: #3958 (-198)
15K → 20K
21:00 | 6:46/mi
Half· 13.11 mi
1:26:12
Rank: #3987 (-29)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:42:36
Rank: #4025 (-38)
Half → 25K
16:24 | 6:46/mi
30K· 18.64 mi
2:04:04
Rank: #3984 (+41)
25K → 30K
21:28 | 6:55/mi
20M
2:13:39
Rank: #3984
30K → 20M
9:35 | 7:03/mi
21M
2:21:04
Rank: #3970 (+14)
20M → 21M
7:25 | 7:25/mi
35K· 21.75 mi
2:26:16
Rank: #4004 (-34)
21M → 35K
5:12 | 6:57/mi
23M
2:35:17
Rank: #4030 (-26)
35K → 23M
9:01 | 7:12/mi
24M
2:42:20
Rank: #4047 (-17)
23M → 24M
7:03 | 7:03/mi
40K· 24.85 mi
2:48:48
Rank: #4151 (-104)
24M → 40K
6:28 | 7:34/mi
25.2M
2:51:44
Rank: #4237 (-86)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
2:59:32
Rank: #4541 (-304)
25.2M → Finish
7:48 | 7:39/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
Time1:26:12
Pace6:35 /mi
2nd Half
Distance13.11 mi
Time1:33:20
Pace7:07 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2420:006:2620:00
6:26
-
10K
6.21 mi10:40:3840:146:2820:14
6:31
+0:05
15K
9.32 mi11:01:041:00:406:3120:26
6:35
+0:04
20K
12.43 mi11:22:041:21:406:3421:00
6:46
+0:11
Half
13.11 mi11:26:361:26:126:354:32
6:39
-0:07
25K
15.53 mi11:43:001:42:366:3616:24
6:46
+0:07
30K
18.64 mi12:04:282:04:046:3921:28
6:55
+0:09
20M
20.00 mi12:14:032:13:396:419:35
7:03
+0:08
21M
21.00 mi12:21:282:21:046:437:25
7:25
+0:22
35K
21.75 mi12:26:402:26:166:445:12
6:57
-0:28
23M
23.00 mi12:35:412:35:176:459:01
7:12
+0:15
24M
24.00 mi12:42:442:42:206:467:03
7:03
-0:09
40K
24.85 mi12:49:122:48:486:476:28
7:34
+0:31
25.2M
25.20 mi12:52:082:51:446:492:56
8:30
+0:56
Finish
26.22 mi12:59:562:59:326:517:48
7:39
-0:51

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

6:26 /mi

Average Pace

6:51 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:05:12

36% of race

Time at Steady Pace

1:29:43

50% of race

Time at Slower Pace

24:37

14% of race

Average Pace: 6:51 /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 mi10:20:2420:006:2620:00
6:26
#3383
10K
6.21 mi10:40:3840:146:2820:14
6:31
#3600
15K
9.32 mi11:01:041:00:406:3120:26
6:35
#3760
20K
12.43 mi11:22:041:21:406:3421:00
6:46
#3958
Half
13.11 mi11:26:361:26:126:354:32
6:39
#3987
25K
15.53 mi11:43:001:42:366:3616:24
6:46
#4025
30K
18.64 mi12:04:282:04:046:3921:28
6:55
#3984
20M
20.00 mi12:14:032:13:396:419:35
7:03
#3984
21M
21.00 mi12:21:282:21:046:437:25
7:25
#3970
35K
21.75 mi12:26:402:26:166:445:12
6:57
#4004
23M
23.00 mi12:35:412:35:176:459:01
7:12
#4030
24M
24.00 mi12:42:442:42:206:467:03
7:03
#4047
40K
24.85 mi12:49:122:48:486:476:28
7:34
#4151
25.2M
25.20 mi12:52:082:51:446:492:56
8:30
#4237
Finish
26.22 mi12:59:562:59:326:517:48
7:39
#4541
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3383321432144074(Top 14%)3836(Top 24%)3836(Top 68%)
10K6.21 mi3.10 mi3600-2173415-2013415-2013840(Top 14%)3621(Top 22%)3621(Top 64%)
15K9.32 mi3.11 mi3760-1603554-1393554-1394074(Top 14%)3836(Top 24%)3836(Top 68%)
20K12.43 mi3.11 mi3958-1983728-1743728-1744919(Top 17%)4547(Top 28%)4547(Top 81%)
Half13.11 mi0.68 mi3987-293755-273755-274843(Top 17%)4503(Top 28%)4503(Top 80%)
25K15.53 mi2.42 mi4025-383785-303785-304604(Top 16%)4249(Top 26%)4249(Top 75%)
30K18.64 mi3.11 mi3984+413745+403745+404146(Top 15%)3813(Top 24%)3813(Top 68%)
20M20.00 mi1.36 mi39843740+53740+54425(Top 16%)4031(Top 25%)4031(Top 71%)
21M21.00 mi1.00 mi3970+143719+213719+214211(Top 15%)3790(Top 24%)3790(Top 67%)
35K21.75 mi0.75 mi4004-343743-243743-245066(Top 18%)4433(Top 28%)4433(Top 79%)
23M23.00 mi1.25 mi4030-263752-93752-94885(Top 17%)4236(Top 26%)4236(Top 75%)
24M24.00 mi1.00 mi4047-173762-103762-104917(Top 17%)4205(Top 26%)4205(Top 75%)
40K24.85 mi0.85 mi4151-1043835-733835-737150(Top 25%)5511(Top 34%)5511(Top 98%)
25.2M25.20 mi0.35 mi4237-863909-743909-748747(Top 31%)6306(Top 39%)6306(Top 112%)
Finish26.22 mi1.02 mi4541-3044164-2554164-25510296(Top 36%)7126(Top 44%)7126(Top 126%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

4074

Males

3836

M18-39

3836

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3840

Males

3621

M18-39

3621

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

4074

Males

3836

M18-39

3836

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4919

Males

4547

M18-39

4547

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4843

Males

4503

M18-39

4503

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4604

Males

4249

M18-39

4249

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4146

Males

3813

M18-39

3813

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4425

Males

4031

M18-39

4031

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4211

Males

3790

M18-39

3790

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

5066

Males

4433

M18-39

4433

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4885

Males

4236

M18-39

4236

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4917

Males

4205

M18-39

4205

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7150

Males

5511

M18-39

5511

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8747

Males

6306

M18-39

6306

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

10296

Males

7126

M18-39

7126

Passing Analysis

Category:
Athletes Passed
676
Passed By
1834
Net Change
-1158
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3383
5K → 10K47264-217#3383#3600
10K → 15K57217-160#3600#3760
15K → 20K48246-198#3760#3958
20K → Half938-29#3958#3987
Half → 25K65103-38#3987#4025
25K → 30K149108+41#4025#3984
30K → 20M55550#3984#3984
20M → 21M7460+14#3984#3970
21M → 35K3165-34#3970#4004
35K → 23M6591-26#4004#4030
23M → 24M4562-17#4030#4047
24M → 40K21125-104#4047#4151
40K → 25.2M793-86#4151#4237
25.2M → Finish3307-304#4237#4541
TOTALS6761834-1158
📊

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