Boston Marathon logo
BOSTON MARATHON 2023

Curtis Gellatly

Bib: 6758•M

ON

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 12%
Gender (Male)
#0 / 15176
Top 19%
Division (M18-39)
#0 / 5285
Top 41%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:50
Rank: #3713
Start → 5K
20:50 | 6:42/mi
10K· 6.21 mi
41:38
Rank: #3973 (-260)
5K → 10K
20:48 | 6:42/mi
15K· 9.32 mi
1:02:21
Rank: #3905 (+68)
10K → 15K
20:43 | 6:40/mi
20K· 12.43 mi
1:23:09
Rank: #3766 (+139)
15K → 20K
20:48 | 6:42/mi
Half· 13.11 mi
1:27:47
Rank: #3859 (-93)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:44:09
Rank: #3812 (+47)
Half → 25K
16:22 | 6:45/mi
30K· 18.64 mi
2:05:31
Rank: #3711 (+101)
25K → 30K
21:22 | 6:53/mi
20M
2:15:02
Rank: #3709 (+2)
30K → 20M
9:31 | 7:00/mi
21M
2:22:13
Rank: #3633 (+76)
20M → 21M
7:11 | 7:11/mi
35K· 21.75 mi
2:27:13
Rank: #3612 (+21)
21M → 35K
5:00 | 6:41/mi
23M
2:35:47
Rank: #3510 (+102)
35K → 23M
8:34 | 6:51/mi
24M
2:42:25
Rank: #3459 (+51)
23M → 24M
6:38 | 6:38/mi
40K· 24.85 mi
2:48:03
Rank: #3350 (+109)
24M → 40K
5:38 | 6:35/mi
25.2M
2:50:29
Rank: #3301 (+49)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:56:37
Rank: #3090 (+211)
25.2M → Finish
6:08 | 6:01/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
Time1:27:47
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:28:50
Pace6:47 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:1720:506:4220:50
6:42
-
10K
6.21 mi10:45:0541:386:4220:48
6:42
0:00
15K
9.32 mi11:05:481:02:216:4120:43
6:40
-0:02
20K
12.43 mi11:26:361:23:096:4120:48
6:42
+0:02
Half
13.11 mi11:31:141:27:476:424:38
6:47
+0:05
25K
15.53 mi11:47:361:44:096:4216:22
6:45
-0:02
30K
18.64 mi12:08:582:05:316:4421:22
6:53
+0:08
20M
20.00 mi12:18:292:15:026:459:31
7:00
+0:07
21M
21.00 mi12:25:402:22:136:467:11
7:11
+0:11
35K
21.75 mi12:30:402:27:136:465:00
6:41
-0:30
23M
23.00 mi12:39:142:35:476:468:34
6:51
+0:10
24M
24.00 mi12:45:522:42:256:466:38
6:38
-0:13
40K
24.85 mi12:51:302:48:036:465:38
6:35
-0:03
25.2M
25.20 mi12:53:562:50:296:462:26
7:03
+0:28
Finish
26.22 mi13:00:042:56:376:446:08
6:01
-1:02

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

6:01 /mi

Average Pace

6:44 /mi

Slowest Pace

7:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

11:46

7% of race

Time at Steady Pace

2:37:40

89% of race

Time at Slower Pace

7:11

4% of race

Average Pace: 6:44 /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 mi10:24:1720:506:4220:50
6:42
#3713
10K
6.21 mi10:45:0541:386:4220:48
6:42
#3973
15K
9.32 mi11:05:481:02:216:4120:43
6:40
#3905
20K
12.43 mi11:26:361:23:096:4120:48
6:42
#3766
Half
13.11 mi11:31:141:27:476:424:38
6:47
#3859
25K
15.53 mi11:47:361:44:096:4216:22
6:45
#3812
30K
18.64 mi12:08:582:05:316:4421:22
6:53
#3711
20M
20.00 mi12:18:292:15:026:459:31
7:00
#3709
21M
21.00 mi12:25:402:22:136:467:11
7:11
#3633
35K
21.75 mi12:30:402:27:136:465:00
6:41
#3612
23M
23.00 mi12:39:142:35:476:468:34
6:51
#3510
24M
24.00 mi12:45:522:42:256:466:38
6:38
#3459
40K
24.85 mi12:51:302:48:036:465:38
6:35
#3350
25.2M
25.20 mi12:53:562:50:296:462:26
7:03
#3301
Finish
26.22 mi13:00:042:56:376:446:08
6:01
#3090
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3713348934893816(Top 14%)3587(Top 24%)3587(Top 68%)
10K6.21 mi3.10 mi3973-2603737-2483737-2484264(Top 16%)3992(Top 26%)3992(Top 76%)
15K9.32 mi3.11 mi3905+683678+593678+593816(Top 14%)3587(Top 24%)3587(Top 68%)
20K12.43 mi3.11 mi3766+1393557+1213557+1213531(Top 13%)3340(Top 22%)3340(Top 63%)
Half13.11 mi0.68 mi3859-933640-833640-835090(Top 19%)4700(Top 31%)4700(Top 89%)
25K15.53 mi2.42 mi3812+473599+413599+413730(Top 14%)3510(Top 23%)3510(Top 66%)
30K18.64 mi3.11 mi3711+1013505+943505+943494(Top 13%)3285(Top 22%)3285(Top 62%)
20M20.00 mi1.36 mi3709+23502+33502+34024(Top 15%)3724(Top 25%)3724(Top 70%)
21M21.00 mi1.00 mi3633+763435+673435+672998(Top 11%)2809(Top 19%)2809(Top 53%)
35K21.75 mi0.75 mi3612+213412+233412+233437(Top 13%)3189(Top 21%)3189(Top 60%)
23M23.00 mi1.25 mi3510+1023318+943318+942901(Top 11%)2711(Top 18%)2711(Top 51%)
24M24.00 mi1.00 mi3459+513268+503268+502756(Top 10%)2565(Top 17%)2565(Top 49%)
40K24.85 mi0.85 mi3350+1093168+1003168+1001890(Top 7%)1781(Top 12%)1781(Top 34%)
25.2M25.20 mi0.35 mi3301+493122+463122+461952(Top 7%)1835(Top 12%)1835(Top 35%)
Finish26.22 mi1.02 mi3090+2112925+1972925+197794(Top 3%)761(Top 5%)761(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3816

Males

3587

M18-39

3587

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4264

Males

3992

M18-39

3992

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3816

Males

3587

M18-39

3587

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3531

Males

3340

M18-39

3340

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5090

Males

4700

M18-39

4700

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3730

Males

3510

M18-39

3510

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3494

Males

3285

M18-39

3285

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4024

Males

3724

M18-39

3724

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

2998

Males

2809

M18-39

2809

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3437

Males

3189

M18-39

3189

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2901

Males

2711

M18-39

2711

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2756

Males

2565

M18-39

2565

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1890

Males

1781

M18-39

1781

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1952

Males

1835

M18-39

1835

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

794

Males

761

M18-39

761

Passing Analysis

Category:
Athletes Passed
1463
Passed By
840
Net Change
+623
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3713
5K → 10K116376-260#3713#3973
10K → 15K15486+68#3973#3905
15K → 20K18142+139#3905#3766
20K → Half699-93#3766#3859
Half → 25K10255+47#3859#3812
25K → 30K15352+101#3812#3711
30K → 20M5553+2#3711#3709
20M → 21M9418+76#3709#3633
21M → 35K4524+21#3633#3612
35K → 23M11614+102#3612#3510
23M → 24M6817+51#3510#3459
24M → 40K1134+109#3459#3350
40K → 25.2M490+49#3350#3301
25.2M → Finish2110+211#3301#3090
TOTALS1463840+623
📊

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