Boston Marathon logo
BOSTON MARATHON 2024

Brian Stiewing

Bib: 13767•M

CT

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 43%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 44%
Division (M50-54)
#0 / 1935
Top 47%
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
7:27/mi
23:10
↑ 97↓ 3451.5%
10K· 6.21 mi
7:34/mi
46:39
↑ 79↓ 1380.4%
15K· 9.32 mi
7:33/mi
1:10:07
↑ 67↓ 78
20K· 12.43 mi
7:42/mi
1:34:01
↑ 106↓ 860.1%
Half· 13.11 mi
7:36/mi
1:39:12
↑ 19↓ 370.5%
25K· 15.53 mi
7:42/mi
1:57:51
↑ 66↓ 880.2%
30K· 18.64 mi
8:10/mi
2:23:14
↑ 181↓ 1480.2%
20M
8:34/mi
2:34:52
↑ 64↓ 500.2%
21M
9:24/mi
2:44:16
↑ 106↓ 241.6%
35K· 21.75 mi
8:39/mi
2:50:44
↑ 17↓ 861.7%
23M
9:25/mi
3:02:32
↑ 23↓ 630.6%
24M
9:23/mi
3:11:55
↓ 821.3%
40K· 24.85 mi
10:09/mi
3:20:36
↓ 200.3%
25.2M
11:59/mi
3:24:44
↑ 13↓ 160.2%
Finish· 26.22 mi
10:37/mi
3:35:33
↑ 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
Time1:39:12
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:56:21
Pace8:53 /mi
📊Positive Split: 17.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:3723:107:2723:10
7:27
-
10K
6.21 mi11:17:0646:397:3023:29
7:34
+0:07
15K
9.32 mi11:40:341:10:077:3123:28
7:33
-0:01
20K
12.43 mi12:04:281:34:017:3423:54
7:42
+0:09
Half
13.11 mi12:09:391:39:127:345:11
7:36
-0:06
25K
15.53 mi12:28:181:57:517:3518:39
7:42
+0:06
30K
18.64 mi12:53:412:23:147:4125:23
8:10
+0:28
20M
20.00 mi13:05:192:34:527:4511:38
8:34
+0:24
21M
21.00 mi13:14:432:44:167:499:24
9:24
+0:50
35K
21.75 mi13:21:112:50:447:516:28
8:39
-0:45
23M
23.00 mi13:32:593:02:327:5611:48
9:25
+0:46
24M
24.00 mi13:42:223:11:558:009:23
9:23
-0:02
40K
24.85 mi13:51:033:20:368:048:41
10:09
+0:46
25.2M
25.20 mi13:55:113:24:448:074:08
11:59
+1:50
Finish
26.22 mi14:06:003:35:338:1410:49
10:37
-1:22

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

7:27 /mi

Average Pace

8:14 /mi

Slowest Pace

11:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:51

55% of race

Time at Steady Pace

43:29

20% of race

Time at Slower Pace

54:13

25% of race

Average Pace: 8:13 /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 mi10:53:3723:107:2723:10
7:27
#10386
10K
6.21 mi11:17:0646:397:3023:29
7:34
#10561
15K
9.32 mi11:40:341:10:077:3123:28
7:33
#10348
20K
12.43 mi12:04:281:34:017:3423:54
7:42
#10132
Half
13.11 mi12:09:391:39:127:345:11
7:36
#10124
25K
15.53 mi12:28:181:57:517:3518:39
7:42
#9695
30K
18.64 mi12:53:412:23:147:4125:23
8:10
#9424
20M
20.00 mi13:05:192:34:527:4511:38
8:34
#9387
21M
21.00 mi13:14:432:44:167:499:24
9:24
#9382
35K
21.75 mi13:21:112:50:447:516:28
8:39
#9421
23M
23.00 mi13:32:593:02:327:5611:48
9:25
#9679
24M
24.00 mi13:42:223:11:558:009:23
9:23
#9894
40K
24.85 mi13:51:033:20:368:048:41
10:09
#10170
25.2M
25.20 mi13:55:113:24:448:074:08
11:59
#10350
Finish
26.22 mi14:06:003:35:338:1410:49
10:37
#10894
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi103868141814110054(Top 39%)7829(Top 54%)7829(Top 405%)
10K6.21 mi3.10 mi10561-1758176-358176-3510752(Top 42%)8222(Top 56%)8222(Top 425%)
15K9.32 mi3.11 mi10348+2138062+1148062+11410054(Top 39%)7829(Top 54%)7829(Top 405%)
20K12.43 mi3.11 mi10132+2167890+1727890+1729701(Top 38%)7504(Top 51%)7504(Top 388%)
Half13.11 mi0.68 mi10124+87879+117879+119817(Top 38%)7600(Top 52%)7600(Top 393%)
25K15.53 mi2.42 mi9695+4297613+2667613+2668218(Top 32%)6549(Top 45%)6549(Top 338%)
30K18.64 mi3.11 mi9424+2717379+2347379+2348843(Top 35%)6691(Top 46%)6691(Top 346%)
20M20.00 mi1.36 mi9387+377311+687311+689762(Top 38%)6912(Top 47%)6912(Top 357%)
21M21.00 mi1.00 mi9382+57233+787233+7810362(Top 41%)6922(Top 47%)6922(Top 358%)
35K21.75 mi0.75 mi9421-397223+107223+1011510(Top 45%)7451(Top 51%)7451(Top 385%)
23M23.00 mi1.25 mi9679-2587285-627285-6213159(Top 52%)8136(Top 56%)8136(Top 420%)
24M24.00 mi1.00 mi9894-2157348-637348-6313940(Top 55%)8488(Top 58%)8488(Top 439%)
40K24.85 mi0.85 mi10170-2767440-927440-9215538(Top 61%)9221(Top 63%)9221(Top 477%)
25.2M25.20 mi0.35 mi10350-1807516-767516-7617277(Top 68%)10046(Top 69%)10046(Top 519%)
Finish26.22 mi1.02 mi10894-5447729-2137729-21320319(Top 80%)11635(Top 80%)11635(Top 601%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

10054

Males

7829

M50-54

7829

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

10752

Males

8222

M50-54

8222

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

10054

Males

7829

M50-54

7829

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

9701

Males

7504

M50-54

7504

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

9817

Males

7600

M50-54

7600

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

8218

Males

6549

M50-54

6549

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

8843

Males

6691

M50-54

6691

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

9762

Males

6912

M50-54

6912

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

10362

Males

6922

M50-54

6922

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

11510

Males

7451

M50-54

7451

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

13159

Males

8136

M50-54

8136

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

13940

Males

8488

M50-54

8488

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

15538

Males

9221

M50-54

9221

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

17277

Males

10046

M50-54

10046

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

20319

Males

11635

M50-54

11635

Passing Analysis

Category:
Athletes Passed
2289*
Passed By
2795
Net Change
-508
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10386
5K → 10K207382-175#10386#10561
10K → 15K317104+213#10561#10348
15K → 20K333117+216#10348#10132
20K → Half3830+8#10132#10124
Half → 25K45627+429#10124#9695
25K → 30K384113+271#9695#9424
30K → 20M159122+37#9424#9387
20M → 21M137132+5#9387#9382
21M → 35K6099-39#9382#9421
35K → 23M84341-258#9421#9679
23M → 24M52*267-215#9679#9894
24M → 40K31306-276#9894#10170
40K → 25.2M12192-180#10170#10350
25.2M → Finish19563-544#10350#10894
TOTALS2289*2795-508

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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