Boston Marathon logo
BOSTON MARATHON 2023

Benjamin Tonelli

Bib: 4544•M

CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 23%
Division (M18-39)
#0 / 5285
Top 47%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:34
Rank: #5859
Start → 5K
21:34 | 6:56/mi
10K· 6.21 mi
42:58
Rank: #5919 (-60)
5K → 10K
21:24 | 6:53/mi
15K· 9.32 mi
1:04:09
Rank: #5716 (+203)
10K → 15K
21:11 | 6:49/mi
20K· 12.43 mi
1:25:35
Rank: #5602 (+114)
15K → 20K
21:26 | 6:54/mi
Half· 13.11 mi
1:30:15
Rank: #5605 (-3)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:46:45
Rank: #5377 (+228)
Half → 25K
16:30 | 6:48/mi
30K· 18.64 mi
2:07:54
Rank: #4843 (+534)
25K → 30K
21:09 | 6:48/mi
20M
2:17:07
Rank: #4636 (+207)
30K → 20M
9:13 | 6:47/mi
21M
2:23:51
Rank: #4318 (+318)
20M → 21M
6:44 | 6:44/mi
35K· 21.75 mi
2:28:54
Rank: #4273 (+45)
21M → 35K
5:03 | 6:44/mi
23M
2:37:24
Rank: #4142 (+131)
35K → 23M
8:30 | 6:47/mi
24M
2:44:01
Rank: #4031 (+111)
23M → 24M
6:37 | 6:37/mi
40K· 24.85 mi
2:49:42
Rank: #3915 (+116)
24M → 40K
5:41 | 6:39/mi
25.2M
2:52:03
Rank: #3819 (+96)
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
2:58:40
Rank: #3731 (+88)
25.2M → Finish
6:37 | 6:30/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
Distance13.11 mi
Time1:30:15
Pace6:53 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:28:25
Pace6:45 /mi
📊Negative Split: 2.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4621:346:5621:34
6:56
-
10K
6.21 mi10:45:1042:586:5521:24
6:53
-0:03
15K
9.32 mi11:06:211:04:096:5321:11
6:49
-0:04
20K
12.43 mi11:27:471:25:356:5321:26
6:54
+0:05
Half
13.11 mi11:32:271:30:156:534:40
6:50
-0:04
25K
15.53 mi11:48:571:46:456:5216:30
6:48
-0:02
30K
18.64 mi12:10:062:07:546:5221:09
6:48
0:00
20M
20.00 mi12:19:192:17:076:519:13
6:47
-0:01
21M
21.00 mi12:26:032:23:516:516:44
6:44
-0:03
35K
21.75 mi12:31:062:28:546:515:03
6:44
0:00
23M
23.00 mi12:39:362:37:246:518:30
6:47
+0:03
24M
24.00 mi12:46:132:44:016:506:37
6:37
-0:10
40K
24.85 mi12:51:542:49:426:505:41
6:39
+0:02
25.2M
25.20 mi12:54:152:52:036:502:21
6:49
+0:10
Finish
26.22 mi13:00:522:58:406:496:37
6:30
-0:19

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

6:30 /mi

Average Pace

6:49 /mi

Slowest Pace

6:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:36

61% of race

Time at Steady Pace

1:09:04

39% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:23:4621:346:5621:34
6:56
#5859
10K
6.21 mi10:45:1042:586:5521:24
6:53
#5919
15K
9.32 mi11:06:211:04:096:5321:11
6:49
#5716
20K
12.43 mi11:27:471:25:356:5321:26
6:54
#5602
Half
13.11 mi11:32:271:30:156:534:40
6:50
#5605
25K
15.53 mi11:48:571:46:456:5216:30
6:48
#5377
30K
18.64 mi12:10:062:07:546:5221:09
6:48
#4843
20M
20.00 mi12:19:192:17:076:519:13
6:47
#4636
21M
21.00 mi12:26:032:23:516:516:44
6:44
#4318
35K
21.75 mi12:31:062:28:546:515:03
6:44
#4273
23M
23.00 mi12:39:362:37:246:518:30
6:47
#4142
24M
24.00 mi12:46:132:44:016:506:37
6:37
#4031
40K
24.85 mi12:51:542:49:426:505:41
6:39
#3915
25.2M
25.20 mi12:54:152:52:036:502:21
6:49
#3819
Finish
26.22 mi13:00:522:58:406:496:37
6:30
#3731
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5859537153715275(Top 20%)4872(Top 32%)4872(Top 92%)
10K6.21 mi3.10 mi5919-605422-515422-516022(Top 23%)5477(Top 36%)5477(Top 104%)
15K9.32 mi3.11 mi5716+2035249+1735249+1735275(Top 20%)4872(Top 32%)4872(Top 92%)
20K12.43 mi3.11 mi5602+1145163+865163+865319(Top 20%)4909(Top 32%)4909(Top 93%)
Half13.11 mi0.68 mi5605-35165-25165-25505(Top 21%)5065(Top 33%)5065(Top 96%)
25K15.53 mi2.42 mi5377+2284971+1944971+1944182(Top 16%)3913(Top 26%)3913(Top 74%)
30K18.64 mi3.11 mi4843+5344506+4654506+4653038(Top 11%)2871(Top 19%)2871(Top 54%)
20M20.00 mi1.36 mi4636+2074323+1834323+1832729(Top 10%)2583(Top 17%)2583(Top 49%)
21M21.00 mi1.00 mi4318+3184037+2864037+2861233(Top 5%)1175(Top 8%)1175(Top 22%)
35K21.75 mi0.75 mi4273+453996+413996+413798(Top 14%)3492(Top 23%)3492(Top 66%)
23M23.00 mi1.25 mi4142+1313879+1173879+1172615(Top 10%)2456(Top 16%)2456(Top 46%)
24M24.00 mi1.00 mi4031+1113776+1033776+1032669(Top 10%)2487(Top 16%)2487(Top 47%)
40K24.85 mi0.85 mi3915+1163665+1113665+1112122(Top 8%)1986(Top 13%)1986(Top 38%)
25.2M25.20 mi0.35 mi3819+963588+773588+771245(Top 5%)1184(Top 8%)1184(Top 22%)
Finish26.22 mi1.02 mi3731+883504+843504+842452(Top 9%)2260(Top 15%)2260(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5275

Males

4872

M18-39

4872

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6022

Males

5477

M18-39

5477

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5275

Males

4872

M18-39

4872

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5319

Males

4909

M18-39

4909

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5505

Males

5065

M18-39

5065

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4182

Males

3913

M18-39

3913

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

3038

Males

2871

M18-39

2871

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2729

Males

2583

M18-39

2583

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1233

Males

1175

M18-39

1175

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3798

Males

3492

M18-39

3492

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2615

Males

2456

M18-39

2456

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2669

Males

2487

M18-39

2487

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2122

Males

1986

M18-39

1986

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1245

Males

1184

M18-39

1184

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2452

Males

2260

M18-39

2260

Passing Analysis

Category:
Athletes Passed
2541
Passed By
413
Net Change
+2128
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5859
5K → 10K170230-60#5859#5919
10K → 15K24542+203#5919#5716
15K → 20K16349+114#5716#5602
20K → Half2326-3#5602#5605
Half → 25K2291+228#5605#5377
25K → 30K5362+534#5377#4843
30K → 20M2070+207#4843#4636
20M → 21M3180+318#4636#4318
21M → 35K6318+45#4318#4273
35K → 23M1409+131#4273#4142
23M → 24M1176+111#4142#4031
24M → 40K1259+116#4031#3915
40K → 25.2M960+96#3915#3819
25.2M → Finish10921+88#3819#3731
TOTALS2541413+2128
📊

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