Boston Marathon logo
BOSTON MARATHON 2023

Niall Bennis

Bib: 6410•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 35%
Gender (Male)
#0 / 15176
Top 49%
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
21:27
Rank: #5605
Start → 5K
21:27 | 6:54/mi
10K· 6.21 mi
42:53
Rank: #5835 (-230)
5K → 10K
21:26 | 6:54/mi
15K· 9.32 mi
1:04:16
Rank: #5816 (+19)
10K → 15K
21:23 | 6:53/mi
20K· 12.43 mi
1:26:29
Rank: #6103 (-287)
15K → 20K
22:13 | 7:09/mi
Half· 13.11 mi
1:31:19
Rank: #6146 (-43)
20K → Half
4:50 | 7:05/mi
25K· 15.53 mi
1:48:57
Rank: #6302 (-156)
Half → 25K
17:38 | 7:16/mi
30K· 18.64 mi
2:12:56
Rank: #6576 (-274)
25K → 30K
23:59 | 7:43/mi
20M
2:23:53
Rank: #6796 (-220)
30K → 20M
10:57 | 8:03/mi
21M
2:33:26
Rank: #7227 (-431)
20M → 21M
9:33 | 9:33/mi
35K· 21.75 mi
2:39:29
Rank: #7394 (-167)
21M → 35K
6:03 | 8:05/mi
23M
2:50:29
Rank: #7781 (-387)
35K → 23M
11:00 | 8:47/mi
24M
2:59:20
Rank: #8179 (-398)
23M → 24M
8:51 | 8:51/mi
40K· 24.85 mi
3:07:44
Rank: #8723 (-544)
24M → 40K
8:24 | 9:49/mi
25.2M
3:11:09
Rank: #8864 (-141)
40K → 25.2M
3:25 | 9:54/mi
Finish· 26.22 mi
3:20:09
Rank: #9231 (-367)
25.2M → Finish
9:00 | 8:50/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
Time1:31:19
Pace6:58 /mi
2nd Half
Distance13.11 mi
Time1:48:50
Pace8:18 /mi
📊Positive Split: 19.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:1221:276:5421:27
6:54
-
10K
6.21 mi10:46:3842:536:5421:26
6:54
0:00
15K
9.32 mi11:08:011:04:166:5421:23
6:53
-0:01
20K
12.43 mi11:30:141:26:296:5822:13
7:09
+0:16
Half
13.11 mi11:35:041:31:196:584:50
7:05
-0:04
25K
15.53 mi11:52:421:48:577:0117:38
7:16
+0:11
30K
18.64 mi12:16:412:12:567:0823:59
7:43
+0:27
20M
20.00 mi12:27:382:23:537:1210:57
8:03
+0:20
21M
21.00 mi12:37:112:33:267:189:33
9:33
+1:30
35K
21.75 mi12:43:142:39:297:206:03
8:05
-1:28
23M
23.00 mi12:54:142:50:297:2511:00
8:47
+0:42
24M
24.00 mi13:03:052:59:207:288:51
8:51
+0:04
40K
24.85 mi13:11:293:07:447:338:24
9:49
+0:58
25.2M
25.20 mi13:14:543:11:097:353:25
9:54
+0:05
Finish
26.22 mi13:23:543:20:097:389:00
8:50
-1:04

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

6:53 /mi

Average Pace

7:38 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:57

54% of race

Time at Steady Pace

40:59

20% of race

Time at Slower Pace

50:13

25% of race

Average Pace: 7:38 /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 mi10:25:1221:276:5421:27
6:54
#5605
10K
6.21 mi10:46:3842:536:5421:26
6:54
#5835
15K
9.32 mi11:08:011:04:166:5421:23
6:53
#5816
20K
12.43 mi11:30:141:26:296:5822:13
7:09
#6103
Half
13.11 mi11:35:041:31:196:584:50
7:05
#6146
25K
15.53 mi11:52:421:48:577:0117:38
7:16
#6302
30K
18.64 mi12:16:412:12:567:0823:59
7:43
#6576
20M
20.00 mi12:27:382:23:537:1210:57
8:03
#6796
21M
21.00 mi12:37:112:33:267:189:33
9:33
#7227
35K
21.75 mi12:43:142:39:297:206:03
8:05
#7394
23M
23.00 mi12:54:142:50:297:2511:00
8:47
#7781
24M
24.00 mi13:03:052:59:207:288:51
8:51
#8179
40K
24.85 mi13:11:293:07:447:338:24
9:49
#8723
25.2M
25.20 mi13:14:543:11:097:353:25
9:54
#8864
Finish
26.22 mi13:23:543:20:097:389:00
8:50
#9231
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5605516451645839(Top 22%)5337(Top 35%)5337(Top 101%)
10K6.21 mi3.10 mi5835-2305352-1885352-1886127(Top 23%)5561(Top 37%)5561(Top 105%)
15K9.32 mi3.11 mi5816+195337+155337+155839(Top 22%)5337(Top 35%)5337(Top 101%)
20K12.43 mi3.11 mi6103-2875554-2175554-2176818(Top 26%)6080(Top 40%)6080(Top 115%)
Half13.11 mi0.68 mi6146-435591-375591-377075(Top 27%)6292(Top 41%)6292(Top 119%)
25K15.53 mi2.42 mi6302-1565706-1155706-1157119(Top 27%)6237(Top 41%)6237(Top 118%)
30K18.64 mi3.11 mi6576-2745904-1985904-1988784(Top 33%)7153(Top 47%)7153(Top 135%)
20M20.00 mi1.36 mi6796-2206050-1466050-14610666(Top 40%)8077(Top 53%)8077(Top 153%)
21M21.00 mi1.00 mi7227-4316350-3006350-30016168(Top 61%)10417(Top 69%)10417(Top 197%)
35K21.75 mi0.75 mi7394-1676440-906440-9012667(Top 48%)8831(Top 58%)8831(Top 167%)
23M23.00 mi1.25 mi7781-3876670-2306670-23014877(Top 56%)9747(Top 64%)9747(Top 184%)
24M24.00 mi1.00 mi8179-3986899-2296899-22916450(Top 62%)10365(Top 68%)10365(Top 196%)
40K24.85 mi0.85 mi8723-5447207-3087207-30819438(Top 73%)11675(Top 77%)11675(Top 221%)
25.2M25.20 mi0.35 mi8864-1417280-737280-7316922(Top 64%)10499(Top 69%)10499(Top 199%)
Finish26.22 mi1.02 mi9231-3677470-1907470-19017168(Top 64%)10670(Top 70%)10670(Top 202%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

5839

Males

5337

M18-39

5337

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6127

Males

5561

M18-39

5561

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

5839

Males

5337

M18-39

5337

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

6818

Males

6080

M18-39

6080

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7075

Males

6292

M18-39

6292

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7119

Males

6237

M18-39

6237

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8784

Males

7153

M18-39

7153

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

10666

Males

8077

M18-39

8077

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

16168

Males

10417

M18-39

10417

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

12667

Males

8831

M18-39

8831

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

14877

Males

9747

M18-39

9747

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

16450

Males

10365

M18-39

10365

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19438

Males

11675

M18-39

11675

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

16922

Males

10499

M18-39

10499

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

17168

Males

10670

M18-39

10670

Passing Analysis

Category:
Athletes Passed
468
Passed By
4094
Net Change
-3626
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5605
5K → 10K109339-230#5605#5835
10K → 15K131112+19#5835#5816
15K → 20K37324-287#5816#6103
20K → Half548-43#6103#6146
Half → 25K44200-156#6146#6302
25K → 30K55329-274#6302#6576
30K → 20M14234-220#6576#6796
20M → 21M6437-431#6796#7227
21M → 35K14181-167#7227#7394
35K → 23M19406-387#7394#7781
23M → 24M16414-398#7781#8179
24M → 40K6550-544#8179#8723
40K → 25.2M6147-141#8723#8864
25.2M → Finish6373-367#8864#9231
TOTALS4684094-3626
📊

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