Boston Marathon logo
BOSTON MARATHON 2023

Sawyer Heckard

Bib: 2085•M

OR

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 7%
Gender (Male)
#0 / 15176
Top 11%
Division (M18-39)
#0 / 5285
Top 26%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
6:28/mi
20:04
↑ 97↓ 3451.5%
10K· 6.21 mi
6:19/mi
39:41
↑ 79↓ 1380.4%
15K· 9.32 mi
6:21/mi
59:24
↑ 67↓ 78
20K· 12.43 mi
6:22/mi
1:19:12
↑ 106↓ 860.1%
Half· 13.11 mi
6:21/mi
1:23:32
↑ 19↓ 370.5%
25K· 15.53 mi
6:26/mi
1:39:07
↑ 66↓ 880.2%
30K· 18.64 mi
6:37/mi
1:59:40
↑ 181↓ 1480.2%
20M
6:38/mi
2:08:41
↑ 64↓ 500.2%
21M
6:57/mi
2:15:38
↑ 106↓ 241.6%
35K· 21.75 mi
6:20/mi
2:20:22
↑ 17↓ 861.7%
23M
6:41/mi
2:28:44
↑ 23↓ 630.6%
24M
6:38/mi
2:35:22
↓ 821.3%
40K· 24.85 mi
6:45/mi
2:41:08
↓ 200.3%
25.2M
7:03/mi
2:43:34
↑ 13↓ 160.2%
Finish· 26.22 mi
6:30/mi
2:50:11
↑ 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
Time1:23:32
Pace6:22 /mi
2nd Half
Distance13.11 mi
Time1:26:39
Pace6:37 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4720:046:2820:04
6:28
-
10K
6.21 mi10:41:2439:416:2319:37
6:19
-0:09
15K
9.32 mi11:01:0759:246:2219:43
6:21
+0:02
20K
12.43 mi11:20:551:19:126:2219:48
6:22
+0:01
Half
13.11 mi11:25:151:23:326:224:20
6:21
-0:01
25K
15.53 mi11:40:501:39:076:2315:35
6:26
+0:05
30K
18.64 mi12:01:231:59:406:2520:33
6:37
+0:11
20M
20.00 mi12:10:242:08:416:269:01
6:38
+0:01
21M
21.00 mi12:17:212:15:386:286:57
6:57
+0:19
35K
21.75 mi12:22:052:20:226:274:44
6:20
-0:37
23M
23.00 mi12:30:272:28:446:288:22
6:41
+0:21
24M
24.00 mi12:37:052:35:226:286:38
6:38
-0:03
40K
24.85 mi12:42:512:41:086:295:46
6:45
+0:07
25.2M
25.20 mi12:45:172:43:346:292:26
7:03
+0:18
Finish
26.22 mi12:51:542:50:116:306:37
6:30
-0:33

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

6:19 /mi

Average Pace

6:30 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:48

94% of race

Time at Steady Pace

9:23

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:29 /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 mi10:21:4720:046:2820:04
6:28
#2058
10K
6.21 mi10:41:2439:416:2319:37
6:19
#1925
15K
9.32 mi11:01:0759:246:2219:43
6:21
#1883
20K
12.43 mi11:20:551:19:126:2219:48
6:22
#1820
Half
13.11 mi11:25:151:23:326:224:20
6:21
#1825
25K
15.53 mi11:40:501:39:076:2315:35
6:26
#1810
30K
18.64 mi12:01:231:59:406:2520:33
6:37
#1825
20M
20.00 mi12:10:242:08:416:269:01
6:38
#1826
21M
21.00 mi12:17:212:15:386:286:57
6:57
#1816
35K
21.75 mi12:22:052:20:226:274:44
6:20
#1794
23M
23.00 mi12:30:272:28:446:288:22
6:41
#1790
24M
24.00 mi12:37:052:35:226:286:38
6:38
#1805
40K
24.85 mi12:42:512:41:086:295:46
6:45
#1827
25.2M
25.20 mi12:45:172:43:346:292:26
7:03
#1816
Finish
26.22 mi12:51:542:50:116:306:37
6:30
#1808
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2058196419641856(Top 7%)1778(Top 12%)1778(Top 34%)
10K6.21 mi3.10 mi1925+1331842+1221842+1221823(Top 7%)1744(Top 11%)1744(Top 33%)
15K9.32 mi3.11 mi1883+421802+401802+401856(Top 7%)1778(Top 12%)1778(Top 34%)
20K12.43 mi3.11 mi1820+631742+601742+601684(Top 6%)1612(Top 11%)1612(Top 31%)
Half13.11 mi0.68 mi1825-51746-41746-41985(Top 7%)1908(Top 13%)1908(Top 36%)
25K15.53 mi2.42 mi1810+151731+151731+151830(Top 7%)1753(Top 12%)1753(Top 33%)
30K18.64 mi3.11 mi1825-151746-151746-152011(Top 8%)1924(Top 13%)1924(Top 36%)
20M20.00 mi1.36 mi1826-11745+11745+11998(Top 8%)1903(Top 13%)1903(Top 36%)
21M21.00 mi1.00 mi1816+101739+61739+61923(Top 7%)1823(Top 12%)1823(Top 34%)
35K21.75 mi0.75 mi1794+221716+231716+231673(Top 6%)1591(Top 10%)1591(Top 30%)
23M23.00 mi1.25 mi1790+41711+51711+52087(Top 8%)1976(Top 13%)1976(Top 37%)
24M24.00 mi1.00 mi1805-151726-151726-152709(Top 10%)2518(Top 17%)2518(Top 48%)
40K24.85 mi0.85 mi1827-221749-231749-232528(Top 9%)2342(Top 15%)2342(Top 44%)
25.2M25.20 mi0.35 mi1816+111737+121737+121897(Top 7%)1780(Top 12%)1780(Top 34%)
Finish26.22 mi1.02 mi1808+81727+101727+102423(Top 9%)2231(Top 15%)2231(Top 42%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21story building
+97ft-345ft

Overall

1856

Males

1778

M18-39

1778

5K→10K

3.1 - 6.2 mi

Top 7%
×5story building
+79ft-138ft

Overall

1823

Males

1744

M18-39

1744

10K→15K

6.2 - 9.3 mi

Top 7%
×3story building
+67ft-78ft

Overall

1856

Males

1778

M18-39

1778

15K→20K

9.3 - 12.4 mi

Top 6%
×5story building
+106ft-86ft

Overall

1684

Males

1612

M18-39

1612

20K→Half

12.4 - 13.1 mi

Top 7%
×2story building
+19ft-37ft

Overall

1985

Males

1908

M18-39

1908

Half→25K

13.1 - 15.5 mi

Top 7%
×4story building
+66ft-88ft

Overall

1830

Males

1753

M18-39

1753

25K→30K

15.5 - 18.6 mi

Top 8%
×9story building
+181ft-148ft

Overall

2011

Males

1924

M18-39

1924

30K→20M

18.6 - 20.0 mi

Top 8%
×5story building
+64ft-50ft

Overall

1998

Males

1903

M18-39

1903

20M→21M

20.0 - 21.0 mi

Top 7%
×8story building
+106ft-24ft

Overall

1923

Males

1823

M18-39

1823

21M→35K

21.0 - 21.8 mi

Top 6%
×7story building
+17ft-86ft

Overall

1673

Males

1591

M18-39

1591

35K→23M

21.8 - 23.0 mi

Top 8%
×5story building
+23ft-63ft

Overall

2087

Males

1976

M18-39

1976

23M→24M

23.0 - 24.0 mi

Top 10%
×6story building
+12ft-82ft

Overall

2709

Males

2518

M18-39

2518

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2528

Males

2342

M18-39

2342

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1897

Males

1780

M18-39

1780

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2story building
+22ft-21ft

Overall

2423

Males

2231

M18-39

2231

Passing Analysis

Category:
Athletes Passed
672
Passed By
422
Net Change
+250
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2058
5K → 10K17946+133#2058#1925
10K → 15K8947+42#1925#1883
15K → 20K8825+63#1883#1820
20K → Half712-5#1820#1825
Half → 25K3520+15#1825#1810
25K → 30K5368-15#1810#1825
30K → 20M3536-1#1825#1826
20M → 21M3121+10#1826#1816
21M → 35K3412+22#1816#1794
35K → 23M3127+4#1794#1790
23M → 24M2136-15#1790#1805
24M → 40K1739-22#1805#1827
40K → 25.2M209+11#1827#1816
25.2M → Finish3224+8#1816#1808
TOTALS672422+250
📊

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing