Boston Marathon logo
BOSTON MARATHON 2024

Sloan Alexander

Bib: 6112•M

CT

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 17%
Gender (Male)
#0 / 14578
Top 26%
Masters (Masters Men)
#0 / 9729
Top 15%
Division (M45-49)
#0 / 2218
Top 19%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:56
Rank: #5123
Start → 5K
6:44/mi
20:56 split
10K· 6.21 mi
42:06
Rank: #5209 (-86)
5K → 10K
6:49/mi
21:10 split
15K· 9.32 mi
1:03:14
Rank: #5035 (+174)
10K → 15K
6:48/mi
21:08 split
20K· 12.43 mi
1:24:35
Rank: #4801 (+234)
15K → 20K
6:52/mi
21:21 split
Half· 13.11 mi
1:29:14
Rank: #4773 (+28)
20K → Half
6:49/mi
4:39 split
25K· 15.53 mi
1:46:01
Rank: #4533 (+240)
Half → 25K
6:55/mi
16:47 split
30K· 18.64 mi
2:08:05
Rank: #4228 (+305)
25K → 30K
7:06/mi
22:04 split
20M
2:18:01
Rank: #4104 (+124)
30K → 20M
7:19/mi
9:56 split
21M
2:26:11
Rank: #4095 (+9)
20M → 21M
8:10/mi
8:10 split
35K· 21.75 mi
2:31:28
Rank: #4012 (+83)
21M → 35K
7:04/mi
5:17 split
23M
2:41:16
Rank: #3990 (+22)
35K → 23M
7:50/mi
9:48 split
24M
2:49:20
Rank: #4044 (-54)
23M → 24M
8:04/mi
8:04 split
40K· 24.85 mi
2:56:36
Rank: #4121 (-77)
24M → 40K
8:30/mi
7:16 split
25.2M
2:59:58
Rank: #4184 (-63)
40K → 25.2M
9:46/mi
3:22 split
Finish· 26.22 mi
3:08:20
Rank: #4300 (-116)
25.2M → Finish
8:13/mi
8:22 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
Time1:29:14
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:39:06
Pace7:34 /mi
📊Positive Split: 11.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:5920:566:4420:56
6:44
-
10K
6.21 mi10:48:0942:066:4721:10
6:49
+0:05
15K
9.32 mi11:09:171:03:146:4721:08
6:48
-0:01
20K
12.43 mi11:30:381:24:356:4821:21
6:52
+0:04
Half
13.11 mi11:35:171:29:146:484:39
6:49
-0:03
25K
15.53 mi11:52:041:46:016:4916:47
6:55
+0:06
30K
18.64 mi12:14:082:08:056:5222:04
7:06
+0:11
20M
20.00 mi12:24:042:18:016:549:56
7:19
+0:13
21M
21.00 mi12:32:142:26:116:588:10
8:10
+0:51
35K
21.75 mi12:37:312:31:286:585:17
7:04
-1:06
23M
23.00 mi12:47:192:41:167:019:48
7:50
+0:46
24M
24.00 mi12:55:232:49:207:038:04
8:04
+0:14
40K
24.85 mi13:02:392:56:367:067:16
8:30
+0:26
25.2M
25.20 mi13:06:012:59:587:083:22
9:46
+1:16
Finish
26.22 mi13:14:233:08:207:118:22
8:13
-1:33

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

6:44 /mi

Average Pace

7:11 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:23:18

76% of race

Time at Slower Pace

45:02

24% of race

Average Pace: 7:11 /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 mi10:26:5920:566:4420:56
6:44
#5123
10K
6.21 mi10:48:0942:066:4721:10
6:49
#5209
15K
9.32 mi11:09:171:03:146:4721:08
6:48
#5035
20K
12.43 mi11:30:381:24:356:4821:21
6:52
#4801
Half
13.11 mi11:35:171:29:146:484:39
6:49
#4773
25K
15.53 mi11:52:041:46:016:4916:47
6:55
#4533
30K
18.64 mi12:14:082:08:056:5222:04
7:06
#4228
20M
20.00 mi12:24:042:18:016:549:56
7:19
#4104
21M
21.00 mi12:32:142:26:116:588:10
8:10
#4095
35K
21.75 mi12:37:312:31:286:585:17
7:04
#4012
23M
23.00 mi12:47:192:41:167:019:48
7:50
#3990
24M
24.00 mi12:55:232:49:207:038:04
8:04
#4044
40K
24.85 mi13:02:392:56:367:067:16
8:30
#4121
25.2M
25.20 mi13:06:012:59:587:083:22
9:46
#4184
Finish
26.22 mi13:14:233:08:207:118:22
8:13
#4300
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5123474147414734(Top 19%)4385(Top 30%)4385(Top 198%)
10K6.21 mi3.10 mi5209-864812-714812-715289(Top 21%)4871(Top 33%)4871(Top 220%)
15K9.32 mi3.11 mi5035+1744660+1524660+1524734(Top 19%)4385(Top 30%)4385(Top 198%)
20K12.43 mi3.11 mi4801+2344452+2084452+2084415(Top 17%)4092(Top 28%)4092(Top 184%)
Half13.11 mi0.68 mi4773+284429+234429+234601(Top 18%)4239(Top 29%)4239(Top 191%)
25K15.53 mi2.42 mi4533+2404214+2154214+2153926(Top 15%)3639(Top 25%)3639(Top 164%)
30K18.64 mi3.11 mi4228+3053938+2763938+2763356(Top 13%)3087(Top 21%)3087(Top 139%)
20M20.00 mi1.36 mi4104+1243809+1293809+1293598(Top 14%)3252(Top 22%)3252(Top 147%)
21M21.00 mi1.00 mi4095+93787+223787+224763(Top 19%)3943(Top 27%)3943(Top 178%)
35K21.75 mi0.75 mi4012+833707+803707+803305(Top 13%)2940(Top 20%)2940(Top 133%)
23M23.00 mi1.25 mi3990+223668+393668+394911(Top 19%)3921(Top 27%)3921(Top 177%)
24M24.00 mi1.00 mi4044-543694-263694-266951(Top 27%)4947(Top 34%)4947(Top 223%)
40K24.85 mi0.85 mi4121-773736-423736-428296(Top 32%)5545(Top 38%)5545(Top 250%)
25.2M25.20 mi0.35 mi4184-633776-403776-409820(Top 38%)6230(Top 43%)6230(Top 281%)
Finish26.22 mi1.02 mi4300-1163844-683844-689795(Top 38%)6341(Top 43%)6341(Top 286%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

4734

Males

4385

M45-49

4385

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5289

Males

4871

M45-49

4871

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

4734

Males

4385

M45-49

4385

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4415

Males

4092

M45-49

4092

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4601

Males

4239

M45-49

4239

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

3926

Males

3639

M45-49

3639

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3356

Males

3087

M45-49

3087

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3598

Males

3252

M45-49

3252

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

4763

Males

3943

M45-49

3943

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3305

Males

2940

M45-49

2940

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

4911

Males

3921

M45-49

3921

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

6951

Males

4947

M45-49

4947

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8296

Males

5545

M45-49

5545

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

9820

Males

6230

M45-49

6230

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

9795

Males

6341

M45-49

6341

Passing Analysis

Category:
Athletes Passed
1929
Passed By
1106
Net Change
+823
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5123
5K → 10K152238-86#5123#5209
10K → 15K23561+174#5209#5035
15K → 20K28349+234#5035#4801
20K → Half4315+28#4801#4773
Half → 25K28444+240#4773#4533
25K → 30K36156+305#4533#4228
30K → 20M16036+124#4228#4104
20M → 21M10495+9#4104#4095
21M → 35K929+83#4095#4012
35K → 23M9674+22#4012#3990
23M → 24M46100-54#3990#4044
24M → 40K32109-77#4044#4121
40K → 25.2M1578-63#4121#4184
25.2M → Finish26142-116#4184#4300
TOTALS19291106+823
📊

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