Boston Marathon logo
BOSTON MARATHON 2023

Parker Jackson

Bib: 1946•M

AZ

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 6%
Division (M18-39)
#0 / 5285
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:09
Rank: #1051
Start → 5K
19:09 | 6:10/mi
10K· 6.21 mi
38:13
Rank: #1078 (-27)
5K → 10K
19:04 | 6:08/mi
15K· 9.32 mi
57:22
Rank: #1092 (-14)
10K → 15K
19:09 | 6:10/mi
20K· 12.43 mi
1:16:42
Rank: #1080 (+12)
15K → 20K
19:20 | 6:13/mi
Half· 13.11 mi
1:20:53
Rank: #1076 (+4)
20K → Half
4:11 | 6:08/mi
25K· 15.53 mi
1:35:57
Rank: #1060 (+16)
Half → 25K
15:04 | 6:13/mi
30K· 18.64 mi
1:55:33
Rank: #1014 (+46)
25K → 30K
19:36 | 6:19/mi
20M
2:04:06
Rank: #992 (+22)
30K → 20M
8:33 | 6:18/mi
21M
2:10:43
Rank: #968 (+24)
20M → 21M
6:37 | 6:37/mi
35K· 21.75 mi
2:15:15
Rank: #955 (+13)
21M → 35K
4:32 | 6:04/mi
23M
2:23:20
Rank: #952 (+3)
35K → 23M
8:05 | 6:27/mi
24M
2:29:27
Rank: #928 (+24)
23M → 24M
6:07 | 6:07/mi
40K· 24.85 mi
2:34:48
Rank: #914 (+14)
24M → 40K
5:21 | 6:15/mi
25.2M
2:37:06
Rank: #905 (+9)
40K → 25.2M
2:18 | 6:40/mi
Finish· 26.22 mi
2:43:17
Rank: #881 (+24)
25.2M → Finish
6:11 | 6:04/mi

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
Time1:20:53
Pace6:10 /mi
2nd Half
Distance13.11 mi
Time1:22:24
Pace6:17 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:2819:096:1019:09
6:10
-
10K
6.21 mi10:38:3238:136:0919:04
6:08
-0:02
15K
9.32 mi10:57:4157:226:0919:09
6:10
+0:02
20K
12.43 mi11:17:011:16:426:1019:20
6:13
+0:03
Half
13.11 mi11:21:121:20:536:104:11
6:08
-0:05
25K
15.53 mi11:36:161:35:576:1115:04
6:13
+0:05
30K
18.64 mi11:55:521:55:336:1219:36
6:19
+0:06
20M
20.00 mi12:04:252:04:066:128:33
6:18
-0:01
21M
21.00 mi12:11:022:10:436:136:37
6:37
+0:19
35K
21.75 mi12:15:342:15:156:134:32
6:04
-0:33
23M
23.00 mi12:23:392:23:206:148:05
6:27
+0:23
24M
24.00 mi12:29:462:29:276:146:07
6:07
-0:20
40K
24.85 mi12:35:072:34:486:145:21
6:15
+0:08
25.2M
25.20 mi12:37:252:37:066:142:18
6:40
+0:25
Finish
26.22 mi12:43:362:43:176:146:11
6:04
-0:36

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

6:04 /mi

Average Pace

6:14 /mi

Slowest Pace

6:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:17

90% of race

Time at Steady Pace

17:00

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:14 /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 mi10:19:2819:096:1019:09
6:10
#1051
10K
6.21 mi10:38:3238:136:0919:04
6:08
#1078
15K
9.32 mi10:57:4157:226:0919:09
6:10
#1092
20K
12.43 mi11:17:011:16:426:1019:20
6:13
#1080
Half
13.11 mi11:21:121:20:536:104:11
6:08
#1076
25K
15.53 mi11:36:161:35:576:1115:04
6:13
#1060
30K
18.64 mi11:55:521:55:336:1219:36
6:19
#1014
20M
20.00 mi12:04:252:04:066:128:33
6:18
#992
21M
21.00 mi12:11:022:10:436:136:37
6:37
#968
35K
21.75 mi12:15:342:15:156:134:32
6:04
#955
23M
23.00 mi12:23:392:23:206:148:05
6:27
#952
24M
24.00 mi12:29:462:29:276:146:07
6:07
#928
40K
24.85 mi12:35:072:34:486:145:21
6:15
#914
25.2M
25.20 mi12:37:252:37:066:142:18
6:40
#905
Finish
26.22 mi12:43:362:43:176:146:11
6:04
#881
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi10519939931132(Top 4%)1079(Top 7%)1079(Top 20%)
10K6.21 mi3.10 mi1078-271021-281021-281132(Top 4%)1074(Top 7%)1074(Top 20%)
15K9.32 mi3.11 mi1092-141035-141035-141132(Top 4%)1079(Top 7%)1079(Top 20%)
20K12.43 mi3.11 mi1080+121025+101025+101112(Top 4%)1060(Top 7%)1060(Top 20%)
Half13.11 mi0.68 mi1076+41021+41021+41102(Top 4%)1051(Top 7%)1051(Top 20%)
25K15.53 mi2.42 mi1060+161007+141007+141033(Top 4%)984(Top 6%)984(Top 19%)
30K18.64 mi3.11 mi1014+46964+43964+43928(Top 3%)883(Top 6%)883(Top 17%)
20M20.00 mi1.36 mi992+22942+22942+22853(Top 3%)812(Top 5%)812(Top 15%)
21M21.00 mi1.00 mi968+24921+21921+21902(Top 3%)856(Top 6%)856(Top 16%)
35K21.75 mi0.75 mi955+13908+13908+13816(Top 3%)773(Top 5%)773(Top 15%)
23M23.00 mi1.25 mi952+3905+3905+31271(Top 5%)1202(Top 8%)1202(Top 23%)
24M24.00 mi1.00 mi928+24881+24881+24791(Top 3%)749(Top 5%)749(Top 14%)
40K24.85 mi0.85 mi914+14867+14867+14779(Top 3%)738(Top 5%)738(Top 14%)
25.2M25.20 mi0.35 mi905+9858+9858+9807(Top 3%)768(Top 5%)768(Top 15%)
Finish26.22 mi1.02 mi881+24835+23835+23893(Top 3%)853(Top 6%)853(Top 16%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1132

Males

1079

M18-39

1079

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1132

Males

1074

M18-39

1074

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1132

Males

1079

M18-39

1079

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1112

Males

1060

M18-39

1060

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1102

Males

1051

M18-39

1051

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1033

Males

984

M18-39

984

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

928

Males

883

M18-39

883

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

853

Males

812

M18-39

812

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

902

Males

856

M18-39

856

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

816

Males

773

M18-39

773

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1271

Males

1202

M18-39

1202

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

791

Males

749

M18-39

749

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

779

Males

738

M18-39

738

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

807

Males

768

M18-39

768

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

893

Males

853

M18-39

853

Passing Analysis

Category:
Athletes Passed
378
Passed By
208
Net Change
+170
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1051
5K → 10K3966-27#1051#1078
10K → 15K2539-14#1078#1092
15K → 20K3523+12#1092#1080
20K → Half106+4#1080#1076
Half → 25K3317+16#1076#1060
25K → 30K6418+46#1060#1014
30K → 20M264+22#1014#992
20M → 21M306+24#992#968
21M → 35K174+13#968#955
35K → 23M1512+3#955#952
23M → 24M284+24#952#928
24M → 40K184+14#928#914
40K → 25.2M101+9#914#905
25.2M → Finish284+24#905#881
TOTALS378208+170
📊

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