Boston Marathon logo
BOSTON MARATHON 2023

Nicolo Riva

Bib: 29560•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 38%
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:52
Rank: #16315
Start → 5K
25:52 | 8:20/mi
10K· 6.21 mi
49:45
Rank: #14427 (+1888)
5K → 10K
23:53 | 7:41/mi
15K· 9.32 mi
1:13:31
Rank: #13469 (+958)
10K → 15K
23:46 | 7:39/mi
20K· 12.43 mi
1:36:41
Rank: #12207 (+1262)
15K → 20K
23:10 | 7:27/mi
Half· 13.11 mi
1:41:42
Rank: #12038 (+169)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
2:00:21
Rank: #11690 (+348)
Half → 25K
18:39 | 7:42/mi
30K· 18.64 mi
2:25:06
Rank: #11474 (+216)
25K → 30K
24:45 | 7:58/mi
20M
2:35:41
Rank: #11213 (+261)
30K → 20M
10:35 | 7:47/mi
21M
2:43:46
Rank: #10988 (+225)
20M → 21M
8:05 | 8:05/mi
35K· 21.75 mi
2:49:12
Rank: #10811 (+177)
21M → 35K
5:26 | 7:16/mi
23M
2:59:01
Rank: #10656 (+155)
35K → 23M
9:49 | 7:50/mi
24M
3:06:26
Rank: #10483 (+173)
23M → 24M
7:25 | 7:25/mi
40K· 24.85 mi
3:12:54
Rank: #10327 (+156)
24M → 40K
6:28 | 7:34/mi
25.2M
3:15:45
Rank: #10262 (+65)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:23:07
Rank: #10077 (+185)
25.2M → Finish
7:22 | 7:14/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 Half⚖️ Balanced
Distance13.11 mi
Time1:41:42
Pace7:45 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:41:25
Pace7:44 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:4825:528:2025:52
8:20
-
10K
6.21 mi12:13:4149:458:0023:53
7:41
-0:39
15K
9.32 mi12:37:271:13:317:5323:46
7:39
-0:02
20K
12.43 mi13:00:371:36:417:4723:10
7:27
-0:12
Half
13.11 mi13:05:381:41:427:455:01
7:21
-0:06
25K
15.53 mi13:24:172:00:217:4518:39
7:42
+0:21
30K
18.64 mi13:49:022:25:067:4724:45
7:58
+0:16
20M
20.00 mi13:59:372:35:417:4710:35
7:47
-0:11
21M
21.00 mi14:07:422:43:467:488:05
8:05
+0:18
35K
21.75 mi14:13:082:49:127:475:26
7:16
-0:49
23M
23.00 mi14:22:572:59:017:479:49
7:50
+0:34
24M
24.00 mi14:30:223:06:267:467:25
7:25
-0:25
40K
24.85 mi14:36:503:12:547:466:28
7:34
+0:09
25.2M
25.20 mi14:39:413:15:457:462:51
8:16
+0:42
Finish
26.22 mi14:47:033:23:077:457:22
7:14
-1:02

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

7:14 /mi

Average Pace

7:45 /mi

Slowest Pace

8:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:34

70% of race

Time at Steady Pace

1:01:33

30% of race

Time at Slower Pace

0:00

0% 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 mi11:49:4825:528:2025:52
8:20
#16315
10K
6.21 mi12:13:4149:458:0023:53
7:41
#14427
15K
9.32 mi12:37:271:13:317:5323:46
7:39
#13469
20K
12.43 mi13:00:371:36:417:4723:10
7:27
#12207
Half
13.11 mi13:05:381:41:427:455:01
7:21
#12038
25K
15.53 mi13:24:172:00:217:4518:39
7:42
#11690
30K
18.64 mi13:49:022:25:067:4724:45
7:58
#11474
20M
20.00 mi13:59:372:35:417:4710:35
7:47
#11213
21M
21.00 mi14:07:422:43:467:488:05
8:05
#10988
35K
21.75 mi14:13:082:49:127:475:26
7:16
#10811
23M
23.00 mi14:22:572:59:017:479:49
7:50
#10656
24M
24.00 mi14:30:223:06:267:467:25
7:25
#10483
40K
24.85 mi14:36:503:12:547:466:28
7:34
#10327
25.2M
25.20 mi14:39:413:15:457:462:51
8:16
#10262
Finish
26.22 mi14:47:033:23:077:457:22
7:14
#10077
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi16315108141081411397(Top 43%)8812(Top 58%)8812(Top 167%)
10K6.21 mi3.10 mi14427+188810108+70610108+70612099(Top 45%)9151(Top 60%)9151(Top 173%)
15K9.32 mi3.11 mi13469+9589718+3909718+39011397(Top 43%)8812(Top 58%)8812(Top 167%)
20K12.43 mi3.11 mi12207+12629152+5669152+5668968(Top 34%)7486(Top 49%)7486(Top 142%)
Half13.11 mi0.68 mi12038+1699085+679085+679020(Top 34%)7536(Top 50%)7536(Top 143%)
25K15.53 mi2.42 mi11690+3488921+1648921+16410225(Top 38%)8114(Top 53%)8114(Top 154%)
30K18.64 mi3.11 mi11474+2168780+1418780+14110607(Top 40%)8142(Top 54%)8142(Top 154%)
20M20.00 mi1.36 mi11213+2618644+1368644+1368762(Top 33%)7060(Top 47%)7060(Top 134%)
21M21.00 mi1.00 mi10988+2258517+1278517+1277896(Top 30%)6426(Top 42%)6426(Top 122%)
35K21.75 mi0.75 mi10811+1778415+1028415+1026916(Top 26%)5850(Top 39%)5850(Top 111%)
23M23.00 mi1.25 mi10656+1558307+1088307+1088677(Top 33%)6803(Top 45%)6803(Top 129%)
24M24.00 mi1.00 mi10483+1738194+1138194+1137170(Top 27%)5820(Top 38%)5820(Top 110%)
40K24.85 mi0.85 mi10327+1568098+968098+967108(Top 27%)5701(Top 38%)5701(Top 108%)
25.2M25.20 mi0.35 mi10262+658056+428056+428071(Top 30%)6231(Top 41%)6231(Top 118%)
Finish26.22 mi1.02 mi10077+1857931+1257931+1256626(Top 25%)5337(Top 35%)5337(Top 101%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

11397

Males

8812

M18-39

8812

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

12099

Males

9151

M18-39

9151

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

11397

Males

8812

M18-39

8812

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

8968

Males

7486

M18-39

7486

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9020

Males

7536

M18-39

7536

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10225

Males

8114

M18-39

8114

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

10607

Males

8142

M18-39

8142

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

8762

Males

7060

M18-39

7060

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

7896

Males

6426

M18-39

6426

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

6916

Males

5850

M18-39

5850

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

8677

Males

6803

M18-39

6803

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7170

Males

5820

M18-39

5820

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7108

Males

5701

M18-39

5701

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8071

Males

6231

M18-39

6231

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6626

Males

5337

M18-39

5337

Passing Analysis

Category:
Athletes Passed
6415*
Passed By
177
Net Change
+6238
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16315
5K → 10K190416+1888#16315#14427
10K → 15K96911+958#14427#13469
15K → 20K12620+1262#13469#12207
20K → Half1701+169#12207#12038
Half → 25K35911+348#12038#11690
25K → 30K28872+216#11690#11474
30K → 20M2665+261#11474#11213
20M → 21M2283+225#11213#10988
21M → 35K1803+177#10988#10811
35K → 23M17419+155#10811#10656
23M → 24M1818+173#10656#10483
24M → 40K16711+156#10483#10327
40K → 25.2M75*10+65#10327#10262
25.2M → Finish1927+185#10262#10077
TOTALS6415*177+6238

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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