Boston Marathon logo
BOSTON MARATHON 2023

Andrew Thompson

Bib: 23424•M

CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
Top 36%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:02/mi
24:59
↑ 97↓ 3451.5%
10K· 6.21 mi
8:05/mi
50:05
↑ 79↓ 1380.4%
15K· 9.32 mi
8:23/mi
1:16:07
↑ 67↓ 78
20K· 12.43 mi
8:51/mi
1:43:36
↑ 106↓ 860.1%
Half· 13.11 mi
8:48/mi
1:49:36
↑ 19↓ 370.5%
25K· 15.53 mi
9:06/mi
2:11:41
↑ 66↓ 880.2%
30K· 18.64 mi
9:46/mi
2:42:02
↑ 181↓ 1480.2%
20M
9:47/mi
2:55:20
↑ 64↓ 500.2%
21M
10:20/mi
3:05:40
↑ 106↓ 241.6%
35K· 21.75 mi
9:24/mi
3:12:42
↑ 17↓ 861.7%
23M
9:45/mi
3:24:55
↑ 23↓ 630.6%
24M
9:23/mi
3:34:18
↓ 821.3%
40K· 24.85 mi
9:38/mi
3:42:32
↓ 200.3%
25.2M
10:21/mi
3:46:06
↑ 13↓ 160.2%
Finish· 26.22 mi
8:49/mi
3:55:05
↑ 22↓ 21

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
Time1:49:36
Pace8:22 /mi
2nd Half
Distance13.11 mi
Time2:05:29
Pace9:34 /mi
📊Positive Split: 14.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:1424:598:0224:59
8:02
-
10K
6.21 mi11:45:2050:058:0425:06
8:05
+0:03
15K
9.32 mi12:11:221:16:078:1026:02
8:23
+0:18
20K
12.43 mi12:38:511:43:368:2027:29
8:51
+0:28
Half
13.11 mi12:44:511:49:368:226:00
8:48
-0:03
25K
15.53 mi13:06:562:11:418:2922:05
9:06
+0:18
30K
18.64 mi13:37:172:42:028:4230:21
9:46
+0:40
20M
20.00 mi13:50:352:55:208:4613:18
9:47
+0:01
21M
21.00 mi14:00:553:05:408:5010:20
10:20
+0:33
35K
21.75 mi14:07:573:12:428:527:02
9:24
-0:56
23M
23.00 mi14:20:103:24:558:5512:13
9:45
+0:21
24M
24.00 mi14:29:333:34:188:569:23
9:23
-0:22
40K
24.85 mi14:37:473:42:328:578:14
9:38
+0:15
25.2M
25.20 mi14:41:213:46:068:583:34
10:21
+0:43
Finish
26.22 mi14:50:203:55:058:588:59
8:49
-1:32

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

8:02 /mi

Average Pace

8:58 /mi

Slowest Pace

10:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:35

50% of race

Time at Steady Pace

46:44

20% of race

Time at Slower Pace

1:09:46

30% of race

Average Pace: 8:58 /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 mi11:20:1424:598:0224:59
8:02
#14299
10K
6.21 mi11:45:2050:058:0425:06
8:05
#14816
15K
9.32 mi12:11:221:16:078:1026:02
8:23
#15591
20K
12.43 mi12:38:511:43:368:2027:29
8:51
#16527
Half
13.11 mi12:44:511:49:368:226:00
8:48
#16695
25K
15.53 mi13:06:562:11:418:2922:05
9:06
#17195
30K
18.64 mi13:37:172:42:028:4230:21
9:46
#17928
20M
20.00 mi13:50:352:55:208:4613:18
9:47
#18137
21M
21.00 mi14:00:553:05:408:5010:20
10:20
#18233
35K
21.75 mi14:07:573:12:428:527:02
9:24
#18272
23M
23.00 mi14:20:103:24:558:5512:13
9:45
#18356
24M
24.00 mi14:29:333:34:188:569:23
9:23
#18398
40K
24.85 mi14:37:473:42:328:578:14
9:38
#18417
25.2M
25.20 mi14:41:213:46:068:583:34
10:21
#18419
Finish
26.22 mi14:50:203:55:058:588:59
8:49
#18387
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi14299100781007817021(Top 64%)11072(Top 73%)11072(Top 2017%)
10K6.21 mi3.10 mi14816-51710264-18610264-18615359(Top 58%)10456(Top 69%)10456(Top 1905%)
15K9.32 mi3.11 mi15591-77510539-27510539-27517021(Top 64%)11072(Top 73%)11072(Top 2017%)
20K12.43 mi3.11 mi16527-93610876-33710876-33718915(Top 71%)11858(Top 78%)11858(Top 2160%)
Half13.11 mi0.68 mi16695-16810934-5810934-5819415(Top 73%)12056(Top 79%)12056(Top 2196%)
25K15.53 mi2.42 mi17195-50011116-18211116-18219437(Top 73%)12023(Top 79%)12023(Top 2190%)
30K18.64 mi3.11 mi17928-73311385-26911385-26920354(Top 76%)12360(Top 81%)12360(Top 2251%)
20M20.00 mi1.36 mi18137-20911455-7011455-7019801(Top 74%)12027(Top 79%)12027(Top 2191%)
21M21.00 mi1.00 mi18233-9611474-1911474-1919100(Top 72%)11683(Top 77%)11683(Top 2128%)
35K21.75 mi0.75 mi18272-3911491-1711491-1719515(Top 73%)11821(Top 78%)11821(Top 2153%)
23M23.00 mi1.25 mi18356-8411513-2211513-2219271(Top 72%)11681(Top 77%)11681(Top 2128%)
24M24.00 mi1.00 mi18398-4211523-1011523-1018765(Top 70%)11434(Top 75%)11434(Top 2083%)
40K24.85 mi0.85 mi18417-1911522+111522+118785(Top 71%)11387(Top 75%)11387(Top 2074%)
25.2M25.20 mi0.35 mi18419-211515+711515+718578(Top 70%)11287(Top 74%)11287(Top 2056%)
Finish26.22 mi1.02 mi18387+3211491+2411491+2417097(Top 64%)10654(Top 70%)10654(Top 1941%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

17021

Males

11072

M65-69

11072

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

15359

Males

10456

M65-69

10456

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

17021

Males

11072

M65-69

11072

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

18915

Males

11858

M65-69

11858

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

19415

Males

12056

M65-69

12056

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

19437

Males

12023

M65-69

12023

25K→30K

15.5 - 18.6 mi

Top 76%
×9story building
+181ft-148ft

Overall

20354

Males

12360

M65-69

12360

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

19801

Males

12027

M65-69

12027

20M→21M

20.0 - 21.0 mi

Top 72%
×8story building
+106ft-24ft

Overall

19100

Males

11683

M65-69

11683

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

19515

Males

11821

M65-69

11821

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

19271

Males

11681

M65-69

11681

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

18765

Males

11434

M65-69

11434

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18785

Males

11387

M65-69

11387

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18578

Males

11287

M65-69

11287

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

17097

Males

10654

M65-69

10654

Passing Analysis

Category:
Athletes Passed
626
Passed By
4714
Net Change
-4088
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14299
5K → 10K111628-517#14299#14816
10K → 15K33808-775#14816#15591
15K → 20K32968-936#15591#16527
20K → Half7175-168#16527#16695
Half → 25K33533-500#16695#17195
25K → 30K46779-733#17195#17928
30K → 20M39248-209#17928#18137
20M → 21M65161-96#18137#18233
21M → 35K3473-39#18233#18272
35K → 23M56140-84#18272#18356
23M → 24M3981-42#18356#18398
24M → 40K4463-19#18398#18417
40K → 25.2M2527-2#18417#18419
25.2M → Finish6230+32#18419#18387
TOTALS6264714-4088
📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing