Boston Marathon logo
BOSTON MARATHON 2024

Anthony Swierzbinski

Bib: 3127•M

DE

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 18%
Gender (Male)
#0 / 14578
Top 28%
Division (M18-39)
#0 / 4849
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
6:19/mi
19:37
↑ 97↓ 3451.5%
10K· 6.21 mi
6:28/mi
39:43
↑ 79↓ 1380.4%
15K· 9.32 mi
6:26/mi
59:41
↑ 67↓ 78
20K· 12.43 mi
6:30/mi
1:19:54
↑ 106↓ 860.1%
Half· 13.11 mi
6:30/mi
1:24:20
↑ 19↓ 370.5%
25K· 15.53 mi
6:59/mi
1:41:15
↑ 66↓ 880.2%
30K· 18.64 mi
7:51/mi
2:05:39
↑ 181↓ 1480.2%
20M
7:52/mi
2:16:20
↑ 64↓ 500.2%
21M
8:26/mi
2:24:46
↑ 106↓ 241.6%
35K· 21.75 mi
7:32/mi
2:30:24
↑ 17↓ 861.7%
23M
8:54/mi
2:41:32
↑ 23↓ 630.6%
24M
9:22/mi
2:50:54
↓ 821.3%
40K· 24.85 mi
9:17/mi
2:58:50
↓ 200.3%
25.2M
9:57/mi
3:02:16
↑ 13↓ 160.2%
Finish· 26.22 mi
7:38/mi
3:10:03
↑ 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
Time1:24:20
Pace6:26 /mi
2nd Half
Distance13.11 mi
Time1:45:43
Pace8:04 /mi
📊Positive Split: 25.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:2019:376:1919:37
6:19
-
10K
6.21 mi10:41:2639:436:2420:06
6:28
+0:09
15K
9.32 mi11:01:2459:416:2419:58
6:26
-0:02
20K
12.43 mi11:21:371:19:546:2620:13
6:30
+0:04
Half
13.11 mi11:26:031:24:206:264:26
6:30
0:00
25K
15.53 mi11:42:581:41:156:3116:55
6:59
+0:29
30K
18.64 mi12:07:222:05:396:4424:24
7:51
+0:52
20M
20.00 mi12:18:032:16:206:4910:41
7:52
+0:01
21M
21.00 mi12:26:292:24:466:548:26
8:26
+0:34
35K
21.75 mi12:32:072:30:246:555:38
7:32
-0:54
23M
23.00 mi12:43:152:41:327:0111:08
8:54
+1:22
24M
24.00 mi12:52:372:50:547:079:22
9:22
+0:28
40K
24.85 mi13:00:332:58:507:127:56
9:17
-0:05
25.2M
25.20 mi13:03:593:02:167:143:26
9:57
+0:40
Finish
26.22 mi13:11:463:10:037:157:47
7:38
-2:19

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

6:19 /mi

Average Pace

7:15 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:15

53% of race

Time at Steady Pace

48:30

26% of race

Time at Slower Pace

40:18

21% of race

Average Pace: 7:15 /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 mi10:21:2019:376:1919:37
6:19
#2176
10K
6.21 mi10:41:2639:436:2420:06
6:28
#2479
15K
9.32 mi11:01:2459:416:2419:58
6:26
#2413
20K
12.43 mi11:21:371:19:546:2620:13
6:30
#2305
Half
13.11 mi11:26:031:24:206:264:26
6:30
#2326
25K
15.53 mi11:42:581:41:156:3116:55
6:59
#2557
30K
18.64 mi12:07:222:05:396:4424:24
7:51
#3322
20M
20.00 mi12:18:032:16:206:4910:41
7:52
#3537
21M
21.00 mi12:26:292:24:466:548:26
8:26
#3674
35K
21.75 mi12:32:072:30:246:555:38
7:32
#3724
23M
23.00 mi12:43:152:41:327:0111:08
8:54
#4047
24M
24.00 mi12:52:372:50:547:079:22
9:22
#4383
40K
24.85 mi13:00:332:58:507:127:56
9:17
#4588
25.2M
25.20 mi13:03:593:02:167:143:26
9:57
#4642
Finish
26.22 mi13:11:463:10:037:157:47
7:38
#4646
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2176210421042337(Top 9%)2255(Top 15%)2255(Top 47%)
10K6.21 mi3.10 mi2479-3032383-2792383-2792822(Top 11%)2699(Top 19%)2699(Top 56%)
15K9.32 mi3.11 mi2413+662326+572326+572337(Top 9%)2255(Top 15%)2255(Top 47%)
20K12.43 mi3.11 mi2305+1082221+1052221+1052196(Top 9%)2110(Top 14%)2110(Top 44%)
Half13.11 mi0.68 mi2326-212241-202241-202642(Top 10%)2527(Top 17%)2527(Top 52%)
25K15.53 mi2.42 mi2557-2312445-2042445-2044244(Top 17%)3900(Top 27%)3900(Top 80%)
30K18.64 mi3.11 mi3322-7653143-6983143-6987016(Top 27%)5632(Top 39%)5632(Top 116%)
20M20.00 mi1.36 mi3537-2153317-1743317-1746003(Top 23%)4852(Top 33%)4852(Top 100%)
21M21.00 mi1.00 mi3674-1373427-1103427-1105904(Top 23%)4629(Top 32%)4629(Top 95%)
35K21.75 mi0.75 mi3724-503463-363463-365174(Top 20%)4199(Top 29%)4199(Top 87%)
23M23.00 mi1.25 mi4047-3233717-2543717-25410581(Top 41%)6848(Top 47%)6848(Top 141%)
24M24.00 mi1.00 mi4383-3363969-2523969-25213816(Top 54%)8426(Top 58%)8426(Top 174%)
40K24.85 mi0.85 mi4588-2054096-1274096-12712102(Top 47%)7478(Top 51%)7478(Top 154%)
25.2M25.20 mi0.35 mi4642-544127-314127-3110668(Top 42%)6685(Top 46%)6685(Top 138%)
Finish26.22 mi1.02 mi4646-44109+184109+186340(Top 25%)4506(Top 31%)4506(Top 93%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21story building
+97ft-345ft

Overall

2337

Males

2255

M18-39

2255

5K→10K

3.1 - 6.2 mi

Top 11%
×5story building
+79ft-138ft

Overall

2822

Males

2699

M18-39

2699

10K→15K

6.2 - 9.3 mi

Top 9%
×3story building
+67ft-78ft

Overall

2337

Males

2255

M18-39

2255

15K→20K

9.3 - 12.4 mi

Top 9%
×5story building
+106ft-86ft

Overall

2196

Males

2110

M18-39

2110

20K→Half

12.4 - 13.1 mi

Top 10%
×2story building
+19ft-37ft

Overall

2642

Males

2527

M18-39

2527

Half→25K

13.1 - 15.5 mi

Top 17%
×4story building
+66ft-88ft

Overall

4244

Males

3900

M18-39

3900

25K→30K

15.5 - 18.6 mi

Top 27%
×9story building
+181ft-148ft

Overall

7016

Males

5632

M18-39

5632

30K→20M

18.6 - 20.0 mi

Top 23%
×5story building
+64ft-50ft

Overall

6003

Males

4852

M18-39

4852

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

5904

Males

4629

M18-39

4629

21M→35K

21.0 - 21.8 mi

Top 20%
×7story building
+17ft-86ft

Overall

5174

Males

4199

M18-39

4199

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

10581

Males

6848

M18-39

6848

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

13816

Males

8426

M18-39

8426

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12102

Males

7478

M18-39

7478

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

10668

Males

6685

M18-39

6685

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

6340

Males

4506

M18-39

4506

Passing Analysis

Category:
Athletes Passed
631
Passed By
3101
Net Change
-2470
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2176
5K → 10K34337-303#2176#2479
10K → 15K11650+66#2479#2413
15K → 20K14537+108#2413#2305
20K → Half829-21#2305#2326
Half → 25K38269-231#2326#2557
25K → 30K31796-765#2557#3322
30K → 20M35250-215#3322#3537
20M → 21M51188-137#3537#3674
21M → 35K3383-50#3674#3724
35K → 23M23346-323#3724#4047
23M → 24M15351-336#4047#4383
24M → 40K24229-205#4383#4588
40K → 25.2M1973-54#4588#4642
25.2M → Finish5963-4#4642#4646
TOTALS6313101-2470
📊

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