Boston Marathon logo
BOSTON MARATHON 2024

Chris Lewis

Bib: 4851•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 8%
Gender (Male)
#0 / 14578
Top 13%
Masters (Masters Men)
#0 / 9729
Top 5%
Division (M45-49)
#0 / 2218
Top 6%
Race Day Weather
55°/45°F
scattered clouds

⏱️ 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
6:25/mi
19:55
↑ 97↓ 3451.5%
10K· 6.21 mi
6:25/mi
39:50
↑ 79↓ 1380.4%
15K· 9.32 mi
6:25/mi
59:46
↑ 67↓ 78
20K· 12.43 mi
6:31/mi
1:20:00
↑ 106↓ 860.1%
Half· 13.11 mi
6:27/mi
1:24:24
↑ 19↓ 370.5%
25K· 15.53 mi
6:36/mi
1:40:24
↑ 66↓ 880.2%
30K· 18.64 mi
6:56/mi
2:01:58
↑ 181↓ 1480.2%
20M
7:02/mi
2:11:31
↑ 64↓ 500.2%
21M
7:33/mi
2:19:04
↑ 106↓ 241.6%
35K· 21.75 mi
6:42/mi
2:24:05
↑ 17↓ 861.7%
23M
7:06/mi
2:32:58
↑ 23↓ 630.6%
24M
6:52/mi
2:39:50
↓ 821.3%
40K· 24.85 mi
7:01/mi
2:45:50
↓ 200.3%
25.2M
8:04/mi
2:48:37
↑ 13↓ 160.2%
Finish· 26.22 mi
6:44/mi
2:55:29
↑ 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
Time1:24:24
Pace6:26 /mi
2nd Half
Distance13.11 mi
Time1:31:05
Pace6:57 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3819:556:2519:55
6:25
-
10K
6.21 mi10:43:3339:506:2519:55
6:25
0:00
15K
9.32 mi11:03:2959:466:2519:56
6:25
0:00
20K
12.43 mi11:23:431:20:006:2620:14
6:31
+0:06
Half
13.11 mi11:28:071:24:246:264:24
6:27
-0:04
25K
15.53 mi11:44:071:40:246:2816:00
6:36
+0:09
30K
18.64 mi12:05:412:01:586:3321:34
6:56
+0:20
20M
20.00 mi12:15:142:11:316:359:33
7:02
+0:06
21M
21.00 mi12:22:472:19:046:377:33
7:33
+0:31
35K
21.75 mi12:27:482:24:056:385:01
6:42
-0:51
23M
23.00 mi12:36:412:32:586:398:53
7:06
+0:24
24M
24.00 mi12:43:332:39:506:406:52
6:52
-0:14
40K
24.85 mi12:49:332:45:506:406:00
7:01
+0:09
25.2M
25.20 mi12:52:202:48:376:412:47
8:04
+1:03
Finish
26.22 mi12:59:122:55:296:426:52
6:44
-1:20

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

6:25 /mi

Average Pace

6:42 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:04:10

37% of race

Time at Steady Pace

1:16:33

44% of race

Time at Slower Pace

34:46

20% of race

Average Pace: 6:42 /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 mi10:23:3819:556:2519:55
6:25
#2758
10K
6.21 mi10:43:3339:506:2519:55
6:25
#2578
15K
9.32 mi11:03:2959:466:2519:56
6:25
#2448
20K
12.43 mi11:23:431:20:006:2620:14
6:31
#2347
Half
13.11 mi11:28:071:24:246:264:24
6:27
#2345
25K
15.53 mi11:44:071:40:246:2816:00
6:36
#2269
30K
18.64 mi12:05:412:01:586:3321:34
6:56
#2234
20M
20.00 mi12:15:142:11:316:359:33
7:02
#2189
21M
21.00 mi12:22:472:19:046:377:33
7:33
#2174
35K
21.75 mi12:27:482:24:056:385:01
6:42
#2138
23M
23.00 mi12:36:412:32:586:398:53
7:06
#2086
24M
24.00 mi12:43:332:39:506:406:52
6:52
#2032
40K
24.85 mi12:49:332:45:506:406:00
7:01
#1999
25.2M
25.20 mi12:52:202:48:376:412:47
8:04
#1992
Finish
26.22 mi12:59:122:55:296:426:52
6:44
#1964
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi2758264426442263(Top 9%)2183(Top 15%)2183(Top 98%)
10K6.21 mi3.10 mi2578+1802480+1642480+1642466(Top 10%)2371(Top 16%)2371(Top 107%)
15K9.32 mi3.11 mi2448+1302358+1222358+1222263(Top 9%)2183(Top 15%)2183(Top 98%)
20K12.43 mi3.11 mi2347+1012258+1002258+1002219(Top 9%)2130(Top 15%)2130(Top 96%)
Half13.11 mi0.68 mi2345+22256+22256+22316(Top 9%)2219(Top 15%)2219(Top 100%)
25K15.53 mi2.42 mi2269+762186+702186+702142(Top 8%)2053(Top 14%)2053(Top 93%)
30K18.64 mi3.11 mi2234+352139+472139+472550(Top 10%)2393(Top 16%)2393(Top 108%)
20M20.00 mi1.36 mi2189+452094+452094+452463(Top 10%)2289(Top 16%)2289(Top 103%)
21M21.00 mi1.00 mi2174+152078+162078+162640(Top 10%)2397(Top 16%)2397(Top 108%)
35K21.75 mi0.75 mi2138+362045+332045+331894(Top 7%)1752(Top 12%)1752(Top 79%)
23M23.00 mi1.25 mi2086+521995+501995+502242(Top 9%)2032(Top 14%)2032(Top 92%)
24M24.00 mi1.00 mi2032+541941+541941+541886(Top 7%)1715(Top 12%)1715(Top 77%)
40K24.85 mi0.85 mi1999+331908+331908+331888(Top 7%)1701(Top 12%)1701(Top 77%)
25.2M25.20 mi0.35 mi1992+71900+81900+82902(Top 11%)2439(Top 17%)2439(Top 110%)
Finish26.22 mi1.02 mi1964+281869+311869+312111(Top 8%)1837(Top 13%)1837(Top 83%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21story building
+97ft-345ft

Overall

2263

Males

2183

M45-49

2183

5K→10K

3.1 - 6.2 mi

Top 10%
×5story building
+79ft-138ft

Overall

2466

Males

2371

M45-49

2371

10K→15K

6.2 - 9.3 mi

Top 9%
×3story building
+67ft-78ft

Overall

2263

Males

2183

M45-49

2183

15K→20K

9.3 - 12.4 mi

Top 9%
×5story building
+106ft-86ft

Overall

2219

Males

2130

M45-49

2130

20K→Half

12.4 - 13.1 mi

Top 9%
×2story building
+19ft-37ft

Overall

2316

Males

2219

M45-49

2219

Half→25K

13.1 - 15.5 mi

Top 8%
×4story building
+66ft-88ft

Overall

2142

Males

2053

M45-49

2053

25K→30K

15.5 - 18.6 mi

Top 10%
×9story building
+181ft-148ft

Overall

2550

Males

2393

M45-49

2393

30K→20M

18.6 - 20.0 mi

Top 10%
×5story building
+64ft-50ft

Overall

2463

Males

2289

M45-49

2289

20M→21M

20.0 - 21.0 mi

Top 10%
×8story building
+106ft-24ft

Overall

2640

Males

2397

M45-49

2397

21M→35K

21.0 - 21.8 mi

Top 7%
×7story building
+17ft-86ft

Overall

1894

Males

1752

M45-49

1752

35K→23M

21.8 - 23.0 mi

Top 9%
×5story building
+23ft-63ft

Overall

2242

Males

2032

M45-49

2032

23M→24M

23.0 - 24.0 mi

Top 7%
×6story building
+12ft-82ft

Overall

1886

Males

1715

M45-49

1715

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1888

Males

1701

M45-49

1701

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2902

Males

2439

M45-49

2439

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2story building
+22ft-21ft

Overall

2111

Males

1837

M45-49

1837

Passing Analysis

Category:
Athletes Passed
1239
Passed By
445
Net Change
+794
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2758
5K → 10K23757+180#2758#2578
10K → 15K14818+130#2578#2448
15K → 20K14645+101#2448#2347
20K → Half1614+2#2347#2345
Half → 25K12145+76#2345#2269
25K → 30K12691+35#2269#2234
30K → 20M7429+45#2234#2189
20M → 21M5944+15#2189#2174
21M → 35K4812+36#2174#2138
35K → 23M8230+52#2138#2086
23M → 24M6713+54#2086#2032
24M → 40K4613+33#2032#1999
40K → 25.2M2417+7#1999#1992
25.2M → Finish4517+28#1992#1964
TOTALS1239445+794
📊

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