Boston Marathon logo
BOSTON MARATHON 2024

August Smolarz

Bib: 3478•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 6%
Gender (Male)
#0 / 14578
Top 10%
Division (M18-39)
#0 / 4849
Top 24%
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
6:26/mi
19:59
↑ 97↓ 3451.5%
10K· 6.21 mi
6:32/mi
40:17
↑ 79↓ 1380.4%
15K· 9.32 mi
6:35/mi
1:00:45
↑ 67↓ 78
20K· 12.43 mi
6:32/mi
1:21:04
↑ 106↓ 860.1%
Half· 13.11 mi
6:27/mi
1:25:28
↑ 19↓ 370.5%
25K· 15.53 mi
6:37/mi
1:41:30
↑ 66↓ 880.2%
30K· 18.64 mi
6:49/mi
2:02:41
↑ 181↓ 1480.2%
20M
6:40/mi
2:11:44
↑ 64↓ 500.2%
21M
7:02/mi
2:18:46
↑ 106↓ 241.6%
35K· 21.75 mi
6:17/mi
2:23:28
↑ 17↓ 861.7%
23M
6:29/mi
2:31:35
↑ 23↓ 630.6%
24M
6:22/mi
2:37:57
↓ 821.3%
40K· 24.85 mi
6:32/mi
2:43:32
↓ 200.3%
25.2M
7:18/mi
2:46:03
↑ 13↓ 160.2%
Finish· 26.22 mi
6:26/mi
2:52:36
↑ 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
Time1:25:28
Pace6:31 /mi
2nd Half
Distance13.11 mi
Time1:27:08
Pace6:39 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5619:596:2619:59
6:26
-
10K
6.21 mi10:42:1440:176:2920:18
6:32
+0:06
15K
9.32 mi11:02:421:00:456:3120:28
6:35
+0:03
20K
12.43 mi11:23:011:21:046:3120:19
6:32
-0:03
Half
13.11 mi11:27:251:25:286:314:24
6:27
-0:05
25K
15.53 mi11:43:271:41:306:3216:02
6:37
+0:10
30K
18.64 mi12:04:382:02:416:3521:11
6:49
+0:12
20M
20.00 mi12:13:412:11:446:359:03
6:40
-0:09
21M
21.00 mi12:20:432:18:466:367:02
7:02
+0:22
35K
21.75 mi12:25:252:23:286:364:42
6:17
-0:45
23M
23.00 mi12:33:322:31:356:358:07
6:29
+0:12
24M
24.00 mi12:39:542:37:576:356:22
6:22
-0:07
40K
24.85 mi12:45:292:43:326:355:35
6:32
+0:10
25.2M
25.20 mi12:48:002:46:036:352:31
7:18
+0:46
Finish
26.22 mi12:54:332:52:366:356:33
6:26
-0:52

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

6:17 /mi

Average Pace

6:35 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:03

94% of race

Time at Steady Pace

9:33

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:35 /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 mi10:21:5619:596:2619:59
6:26
#2895
10K
6.21 mi10:42:1440:176:2920:18
6:32
#3043
15K
9.32 mi11:02:421:00:456:3120:28
6:35
#3080
20K
12.43 mi11:23:011:21:046:3120:19
6:32
#2819
Half
13.11 mi11:27:251:25:286:314:24
6:27
#2774
25K
15.53 mi11:43:271:41:306:3216:02
6:37
#2632
30K
18.64 mi12:04:382:02:416:3521:11
6:49
#2410
20M
20.00 mi12:13:412:11:446:359:03
6:40
#2244
21M
21.00 mi12:20:432:18:466:367:02
7:02
#2115
35K
21.75 mi12:25:252:23:286:364:42
6:17
#2022
23M
23.00 mi12:33:322:31:356:358:07
6:29
#1855
24M
24.00 mi12:39:542:37:576:356:22
6:22
#1740
40K
24.85 mi12:45:292:43:326:355:35
6:32
#1643
25.2M
25.20 mi12:48:002:46:036:352:31
7:18
#1623
Finish
26.22 mi12:54:332:52:366:356:33
6:26
#1559
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2895277127713176(Top 12%)3023(Top 21%)3023(Top 62%)
10K6.21 mi3.10 mi3043-1482905-1342905-1343209(Top 13%)3049(Top 21%)3049(Top 63%)
15K9.32 mi3.11 mi3080-372936-312936-313176(Top 12%)3023(Top 21%)3023(Top 62%)
20K12.43 mi3.11 mi2819+2612698+2382698+2382347(Top 9%)2252(Top 15%)2252(Top 46%)
Half13.11 mi0.68 mi2774+452651+472651+472295(Top 9%)2198(Top 15%)2198(Top 45%)
25K15.53 mi2.42 mi2632+1422512+1392512+1392188(Top 9%)2095(Top 14%)2095(Top 43%)
30K18.64 mi3.11 mi2410+2222300+2122300+2121992(Top 8%)1886(Top 13%)1886(Top 39%)
20M20.00 mi1.36 mi2244+1662145+1552145+1551243(Top 5%)1178(Top 8%)1178(Top 24%)
21M21.00 mi1.00 mi2115+1292026+1192026+1191159(Top 5%)1096(Top 8%)1096(Top 23%)
35K21.75 mi0.75 mi2022+931936+901936+90799(Top 3%)757(Top 5%)757(Top 16%)
23M23.00 mi1.25 mi1855+1671780+1561780+156671(Top 3%)635(Top 4%)635(Top 13%)
24M24.00 mi1.00 mi1740+1151667+1131667+113723(Top 3%)681(Top 5%)681(Top 14%)
40K24.85 mi0.85 mi1643+971572+951572+95796(Top 3%)743(Top 5%)743(Top 15%)
25.2M25.20 mi0.35 mi1623+201552+201552+201024(Top 4%)945(Top 6%)945(Top 19%)
Finish26.22 mi1.02 mi1559+641490+621490+621200(Top 5%)1097(Top 8%)1097(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21story building
+97ft-345ft

Overall

3176

Males

3023

M18-39

3023

5K→10K

3.1 - 6.2 mi

Top 13%
×5story building
+79ft-138ft

Overall

3209

Males

3049

M18-39

3049

10K→15K

6.2 - 9.3 mi

Top 12%
×3story building
+67ft-78ft

Overall

3176

Males

3023

M18-39

3023

15K→20K

9.3 - 12.4 mi

Top 9%
×5story building
+106ft-86ft

Overall

2347

Males

2252

M18-39

2252

20K→Half

12.4 - 13.1 mi

Top 9%
×2story building
+19ft-37ft

Overall

2295

Males

2198

M18-39

2198

Half→25K

13.1 - 15.5 mi

Top 9%
×4story building
+66ft-88ft

Overall

2188

Males

2095

M18-39

2095

25K→30K

15.5 - 18.6 mi

Top 8%
×9story building
+181ft-148ft

Overall

1992

Males

1886

M18-39

1886

30K→20M

18.6 - 20.0 mi

Top 5%
×5story building
+64ft-50ft

Overall

1243

Males

1178

M18-39

1178

20M→21M

20.0 - 21.0 mi

Top 5%
×8story building
+106ft-24ft

Overall

1159

Males

1096

M18-39

1096

21M→35K

21.0 - 21.8 mi

Top 3%
×7story building
+17ft-86ft

Overall

799

Males

757

M18-39

757

35K→23M

21.8 - 23.0 mi

Top 3%
×5story building
+23ft-63ft

Overall

671

Males

635

M18-39

635

23M→24M

23.0 - 24.0 mi

Top 3%
×6story building
+12ft-82ft

Overall

723

Males

681

M18-39

681

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

796

Males

743

M18-39

743

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1024

Males

945

M18-39

945

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2story building
+22ft-21ft

Overall

1200

Males

1097

M18-39

1097

Passing Analysis

Category:
Athletes Passed
1806
Passed By
470
Net Change
+1336
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2895
5K → 10K91239-148#2895#3043
10K → 15K98135-37#3043#3080
15K → 20K27312+261#3080#2819
20K → Half527+45#2819#2774
Half → 25K16624+142#2774#2632
25K → 30K25028+222#2632#2410
30K → 20M1693+166#2410#2244
20M → 21M1334+129#2244#2115
21M → 35K941+93#2115#2022
35K → 23M1692+167#2022#1855
23M → 24M1161+115#1855#1740
24M → 40K981+97#1740#1643
40K → 25.2M244+20#1643#1623
25.2M → Finish739+64#1623#1559
TOTALS1806470+1336
📊

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