Boston Marathon logo
BOSTON MARATHON 2023

Ian Finlay

Bib: 26807•M

CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
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
27:15
Rank: #19290
Start → 5K
8:46/mi
27:15 split
10K· 6.21 mi
53:23
Rank: #18477 (+813)
5K → 10K
8:25/mi
26:08 split
15K· 9.32 mi
1:18:39
Rank: #17445 (+1032)
10K → 15K
8:08/mi
25:16 split
20K· 12.43 mi
1:44:44
Rank: #17129 (+316)
15K → 20K
8:24/mi
26:05 split
Half· 13.11 mi
1:50:23
Rank: #17079 (+50)
20K → Half
8:17/mi
5:39 split
25K· 15.53 mi
2:10:58
Rank: #16925 (+154)
Half → 25K
8:29/mi
20:35 split
30K· 18.64 mi
2:38:48
Rank: #16887 (+38)
25K → 30K
8:58/mi
27:50 split
20M
2:50:58
Rank: #16820 (+67)
30K → 20M
8:57/mi
12:10 split
21M
3:00:37
Rank: #16801 (+19)
20M → 21M
9:39/mi
9:39 split
35K· 21.75 mi
3:06:44
Rank: #16682 (+119)
21M → 35K
8:11/mi
6:07 split
23M
3:18:32
Rank: #16782 (-100)
35K → 23M
9:25/mi
11:48 split
24M
3:29:12
Rank: #17195 (-413)
23M → 24M
10:40/mi
10:40 split
40K· 24.85 mi
3:38:11
Rank: #17469 (-274)
24M → 40K
10:30/mi
8:59 split
25.2M
3:42:06
Rank: #17597 (-128)
40K → 25.2M
11:21/mi
3:55 split
Finish· 26.22 mi
3:51:39
Rank: #17699 (-102)
25.2M → Finish
9:22/mi
9:33 split

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
Time1:50:23
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time2:01:16
Pace9:15 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:1227:158:4627:15
8:46
-
10K
6.21 mi12:15:2053:238:3526:08
8:25
-0:21
15K
9.32 mi12:40:361:18:398:2625:16
8:08
-0:17
20K
12.43 mi13:06:411:44:448:2626:05
8:24
+0:16
Half
13.11 mi13:12:201:50:238:255:39
8:17
-0:07
25K
15.53 mi13:32:552:10:588:2620:35
8:29
+0:12
30K
18.64 mi14:00:452:38:488:3127:50
8:58
+0:29
20M
20.00 mi14:12:552:50:588:3312:10
8:57
-0:01
21M
21.00 mi14:22:343:00:378:369:39
9:39
+0:42
35K
21.75 mi14:28:413:06:448:356:07
8:11
-1:28
23M
23.00 mi14:40:293:18:328:3811:48
9:25
+1:14
24M
24.00 mi14:51:093:29:128:4310:40
10:40
+1:15
40K
24.85 mi15:00:083:38:118:478:59
10:30
-0:10
25.2M
25.20 mi15:04:033:42:068:493:55
11:21
+0:51
Finish
26.22 mi15:13:363:51:398:509:33
9:22
-1:59

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

8:08 /mi

Average Pace

8:50 /mi

Slowest Pace

11:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:15

39% of race

Time at Steady Pace

1:49:11

47% of race

Time at Slower Pace

33:13

14% of race

Average Pace: 8:50 /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 mi11:49:1227:158:4627:15
8:46
#19290
10K
6.21 mi12:15:2053:238:3526:08
8:25
#18477
15K
9.32 mi12:40:361:18:398:2625:16
8:08
#17445
20K
12.43 mi13:06:411:44:448:2626:05
8:24
#17129
Half
13.11 mi13:12:201:50:238:255:39
8:17
#17079
25K
15.53 mi13:32:552:10:588:2620:35
8:29
#16925
30K
18.64 mi14:00:452:38:488:3127:50
8:58
#16887
20M
20.00 mi14:12:552:50:588:3312:10
8:57
#16820
21M
21.00 mi14:22:343:00:378:369:39
9:39
#16801
35K
21.75 mi14:28:413:06:448:356:07
8:11
#16682
23M
23.00 mi14:40:293:18:328:3811:48
9:25
#16782
24M
24.00 mi14:51:093:29:128:4310:40
10:40
#17195
40K
24.85 mi15:00:083:38:118:478:59
10:30
#17469
25.2M
25.20 mi15:04:033:42:068:493:55
11:21
#17597
Finish
26.22 mi15:13:363:51:398:509:33
9:22
#17699
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi19290118881188815375(Top 58%)10466(Top 69%)10466(Top 198%)
10K6.21 mi3.10 mi18477+81311642+24611642+24617645(Top 66%)11356(Top 75%)11356(Top 215%)
15K9.32 mi3.11 mi17445+103211238+40411238+40415375(Top 58%)10466(Top 69%)10466(Top 198%)
20K12.43 mi3.11 mi17129+31611103+13511103+13516210(Top 61%)10720(Top 71%)10720(Top 203%)
Half13.11 mi0.68 mi17079+5011081+2211081+2216348(Top 61%)10834(Top 71%)10834(Top 205%)
25K15.53 mi2.42 mi16925+15411000+8111000+8116124(Top 61%)10593(Top 70%)10593(Top 200%)
30K18.64 mi3.11 mi16887+3810978+2210978+2216950(Top 64%)10894(Top 72%)10894(Top 206%)
20M20.00 mi1.36 mi16820+6710926+5210926+5216283(Top 61%)10529(Top 69%)10529(Top 199%)
21M21.00 mi1.00 mi16801+1910914+1210914+1216632(Top 62%)10632(Top 70%)10632(Top 201%)
35K21.75 mi0.75 mi16682+11910848+6610848+6613277(Top 50%)9118(Top 60%)9118(Top 173%)
23M23.00 mi1.25 mi16782-10010870-2210870-2218012(Top 68%)11118(Top 73%)11118(Top 210%)
24M24.00 mi1.00 mi17195-41311023-15311023-15322363(Top 84%)13043(Top 86%)13043(Top 247%)
40K24.85 mi0.85 mi17469-27411125-10211125-10221217(Top 80%)12459(Top 82%)12459(Top 236%)
25.2M25.20 mi0.35 mi17597-12811167-4211167-4221206(Top 80%)12472(Top 82%)12472(Top 236%)
Finish26.22 mi1.02 mi17699-10211204-3711204-3719638(Top 74%)11814(Top 78%)11814(Top 224%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

15375

Males

10466

M18-39

10466

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

17645

Males

11356

M18-39

11356

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

15375

Males

10466

M18-39

10466

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

16210

Males

10720

M18-39

10720

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

16348

Males

10834

M18-39

10834

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

16124

Males

10593

M18-39

10593

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

16950

Males

10894

M18-39

10894

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

16283

Males

10529

M18-39

10529

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

16632

Males

10632

M18-39

10632

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

13277

Males

9118

M18-39

9118

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

18012

Males

11118

M18-39

11118

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

22363

Males

13043

M18-39

13043

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21217

Males

12459

M18-39

12459

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

21206

Males

12472

M18-39

12472

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2story building
+22ft-21ft

Overall

19638

Males

11814

M18-39

11814

Passing Analysis

Category:
Athletes Passed
3190
Passed By
1599
Net Change
+1591
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19290
5K → 10K922109+813#19290#18477
10K → 15K10419+1032#18477#17445
15K → 20K35842+316#17445#17129
20K → Half577+50#17129#17079
Half → 25K19844+154#17079#16925
25K → 30K189151+38#16925#16887
30K → 20M11245+67#16887#16820
20M → 21M8364+19#16820#16801
21M → 35K1212+119#16801#16682
35K → 23M55155-100#16682#16782
23M → 24M8421-413#16782#17195
24M → 40K12286-274#17195#17469
40K → 25.2M8136-128#17469#17597
25.2M → Finish26128-102#17597#17699
TOTALS31901599+1591
📊

Passing Visuals

Category:
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