Boston Marathon logo
BOSTON MARATHON 2023

Maria Grant

Bib: 17620•F

CO

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 40%
Gender (Female)
#0 / 11423
Top 22%
Masters (Masters Women)
#0 / 6539
Top 10%
Division (F45-49)
#0 / 1817
Top 10%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:21
Rank: #9776
Start → 5K
23:21 | 7:31/mi
10K· 6.21 mi
46:38
Rank: #10083 (-307)
5K → 10K
23:17 | 7:30/mi
15K· 9.32 mi
1:10:36
Rank: #10713 (-630)
10K → 15K
23:58 | 7:43/mi
20K· 12.43 mi
1:34:28
Rank: #10725 (-12)
15K → 20K
23:52 | 7:41/mi
Half· 13.11 mi
1:39:41
Rank: #10754 (-29)
20K → Half
5:13 | 7:39/mi
25K· 15.53 mi
1:58:38
Rank: #10802 (-48)
Half → 25K
18:57 | 7:49/mi
30K· 18.64 mi
2:23:26
Rank: #10727 (+75)
25K → 30K
24:48 | 7:59/mi
20M
2:34:32
Rank: #10750 (-23)
30K → 20M
11:06 | 8:10/mi
21M
2:43:04
Rank: #10736 (+14)
20M → 21M
8:32 | 8:32/mi
35K· 21.75 mi
2:48:56
Rank: #10721 (+15)
21M → 35K
5:52 | 7:51/mi
23M
2:59:23
Rank: #10799 (-78)
35K → 23M
10:27 | 8:21/mi
24M
3:07:24
Rank: #10810 (-11)
23M → 24M
8:01 | 8:01/mi
40K· 24.85 mi
3:14:20
Rank: #10787 (+23)
24M → 40K
6:56 | 8:07/mi
25.2M
3:17:22
Rank: #10779 (+8)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:25:18
Rank: #10758 (+21)
25.2M → Finish
7:56 | 7:47/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
Time1:39:41
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time1:45:37
Pace8:03 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:1323:217:3123:21
7:31
-
10K
6.21 mi11:37:3046:387:3023:17
7:30
-0:01
15K
9.32 mi12:01:281:10:367:3423:58
7:43
+0:13
20K
12.43 mi12:25:201:34:287:3623:52
7:41
-0:02
Half
13.11 mi12:30:331:39:417:365:13
7:39
-0:02
25K
15.53 mi12:49:301:58:387:3818:57
7:49
+0:10
30K
18.64 mi13:14:182:23:267:4224:48
7:59
+0:10
20M
20.00 mi13:25:242:34:327:4411:06
8:10
+0:11
21M
21.00 mi13:33:562:43:047:468:32
8:32
+0:22
35K
21.75 mi13:39:482:48:567:465:52
7:51
-0:41
23M
23.00 mi13:50:152:59:237:4810:27
8:21
+0:30
24M
24.00 mi13:58:163:07:247:498:01
8:01
-0:20
40K
24.85 mi14:05:123:14:207:496:56
8:07
+0:06
25.2M
25.20 mi14:08:143:17:227:503:02
8:48
+0:41
Finish
26.22 mi14:16:103:25:187:507:56
7:47
-1:01

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

7:30 /mi

Average Pace

7:50 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:03:17

89% of race

Time at Steady Pace

22:01

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:50 /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 mi11:14:1323:217:3123:21
7:31
#9776
10K
6.21 mi11:37:3046:387:3023:17
7:30
#10083
15K
9.32 mi12:01:281:10:367:3423:58
7:43
#10713
20K
12.43 mi12:25:201:34:287:3623:52
7:41
#10725
Half
13.11 mi12:30:331:39:417:365:13
7:39
#10754
25K
15.53 mi12:49:301:58:387:3818:57
7:49
#10802
30K
18.64 mi13:14:182:23:267:4224:48
7:59
#10727
20M
20.00 mi13:25:242:34:327:4411:06
8:10
#10750
21M
21.00 mi13:33:562:43:047:468:32
8:32
#10736
35K
21.75 mi13:39:482:48:567:465:52
7:51
#10721
23M
23.00 mi13:50:152:59:237:4810:27
8:21
#10799
24M
24.00 mi13:58:163:07:247:498:01
8:01
#10810
40K
24.85 mi14:05:123:14:207:496:56
8:07
#10787
25.2M
25.20 mi14:08:143:17:227:503:02
8:48
#10779
Finish
26.22 mi14:16:103:25:187:507:56
7:47
#10758
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi97761748174811969(Top 45%)2880(Top 25%)2880(Top 159%)
10K6.21 mi3.10 mi10083-3071879-1311879-13110404(Top 39%)2007(Top 18%)2007(Top 110%)
15K9.32 mi3.11 mi10713-6302176-2972176-29711969(Top 45%)2880(Top 25%)2880(Top 159%)
20K12.43 mi3.11 mi10725-122202-262202-2610790(Top 41%)2308(Top 20%)2308(Top 127%)
Half13.11 mi0.68 mi10754-292218-162218-1611454(Top 43%)2595(Top 23%)2595(Top 143%)
25K15.53 mi2.42 mi10802-482253-352253-3511234(Top 42%)2610(Top 23%)2610(Top 144%)
30K18.64 mi3.11 mi10727+752265-122265-1210761(Top 40%)2522(Top 22%)2522(Top 139%)
20M20.00 mi1.36 mi10750-232307-422307-4211473(Top 43%)2979(Top 26%)2979(Top 164%)
21M21.00 mi1.00 mi10736+142320-132320-1310692(Top 40%)2718(Top 24%)2718(Top 150%)
35K21.75 mi0.75 mi10721+152336-162336-1610984(Top 41%)2861(Top 25%)2861(Top 157%)
23M23.00 mi1.25 mi10799-782406-702406-7012221(Top 46%)3632(Top 32%)3632(Top 200%)
24M24.00 mi1.00 mi10810-112429-232429-2311369(Top 43%)3264(Top 29%)3264(Top 180%)
40K24.85 mi0.85 mi10787+232442-132442-1310784(Top 41%)3032(Top 27%)3032(Top 167%)
25.2M25.20 mi0.35 mi10779+82453-112453-1111342(Top 43%)3354(Top 29%)3354(Top 185%)
Finish26.22 mi1.02 mi10758+212476-232476-2310592(Top 40%)2984(Top 26%)2984(Top 164%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

11969

Females

2880

F45-49

2880

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10404

Females

2007

F45-49

2007

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

11969

Females

2880

F45-49

2880

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

10790

Females

2308

F45-49

2308

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

11454

Females

2595

F45-49

2595

Half→25K

13.1 - 15.5 mi

Top 42%
×4stories
+66ft-88ft

Overall

11234

Females

2610

F45-49

2610

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

10761

Females

2522

F45-49

2522

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

11473

Females

2979

F45-49

2979

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

10692

Females

2718

F45-49

2718

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10984

Females

2861

F45-49

2861

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

12221

Females

3632

F45-49

3632

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

11369

Females

3264

F45-49

3264

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10784

Females

3032

F45-49

3032

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11342

Females

3354

F45-49

3354

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

10592

Females

2984

F45-49

2984

Passing Analysis

Category:
Athletes Passed
1267*
Passed By
2247
Net Change
-982
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9776
5K → 10K188494-307#9776#10083
10K → 15K42671-630#10083#10713
15K → 20K153165-12#10713#10725
20K → Half1847-29#10725#10754
Half → 25K118166-48#10754#10802
25K → 30K222147+75#10802#10727
30K → 20M68*91-23#10727#10750
20M → 21M7662+14#10750#10736
21M → 35K6348+15#10736#10721
35K → 23M55133-78#10721#10799
23M → 24M6879-11#10799#10810
24M → 40K7653+23#10810#10787
40K → 25.2M3224+8#10787#10779
25.2M → Finish8867+21#10779#10758
TOTALS1267*2247-982

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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