Boston Marathon logo
BOSTON MARATHON 2023

Donna Mcpherson

Bib: 22256•F

NJ

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
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
8:40/mi
26:55
↑ 97↓ 3451.5%
10K· 6.21 mi
8:49/mi
54:17
↑ 79↓ 1380.4%
15K· 9.32 mi
9:07/mi
1:22:37
↑ 67↓ 78
20K· 12.43 mi
9:32/mi
1:52:15
↑ 106↓ 860.1%
Half· 13.11 mi
9:52/mi
1:58:59
↑ 19↓ 370.5%
25K· 15.53 mi
10:01/mi
2:23:17
↑ 66↓ 880.2%
30K· 18.64 mi
11:10/mi
2:58:00
↑ 181↓ 1480.2%
20M
13:58/mi
3:16:59
↑ 64↓ 500.2%
21M
12:29/mi
3:29:28
↑ 106↓ 241.6%
35K· 21.75 mi
10:11/mi
3:37:05
↑ 17↓ 861.7%
23M
10:29/mi
3:50:12
↑ 23↓ 630.6%
24M
10:44/mi
4:00:56
↓ 821.3%
40K· 24.85 mi
11:37/mi
4:10:52
↓ 200.3%
25.2M
13:44/mi
4:15:36
↑ 13↓ 160.2%
Finish· 26.22 mi
10:03/mi
4:25:50
↑ 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
Time1:58:59
Pace9:05 /mi
2nd Half
Distance13.11 mi
Time2:26:51
Pace11:12 /mi
📊Positive Split: 23.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:1326:558:4026:55
8:40
-
10K
6.21 mi11:51:3554:178:4427:22
8:49
+0:09
15K
9.32 mi12:19:551:22:378:5228:20
9:07
+0:18
20K
12.43 mi12:49:331:52:159:0229:38
9:32
+0:25
Half
13.11 mi12:56:171:58:599:056:44
9:52
+0:20
25K
15.53 mi13:20:352:23:179:1324:18
10:01
+0:09
30K
18.64 mi13:55:182:58:009:3334:43
11:10
+1:09
20M
20.00 mi14:14:173:16:599:5118:59
13:58
+2:48
21M
21.00 mi14:26:463:29:289:5812:29
12:29
-1:29
35K
21.75 mi14:34:233:37:059:597:37
10:11
-2:18
23M
23.00 mi14:47:303:50:1210:0113:07
10:29
+0:18
24M
24.00 mi14:58:144:00:5610:0210:44
10:44
+0:15
40K
24.85 mi15:08:104:10:5210:069:56
11:37
+0:53
25.2M
25.20 mi15:12:544:15:3610:094:44
13:44
+2:07
Finish
26.22 mi15:23:084:25:5010:0910:14
10:03
-3:41

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

8:40 /mi

Average Pace

10:09 /mi

Slowest Pace

13:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:37

31% of race

Time at Steady Pace

1:42:22

39% of race

Time at Slower Pace

1:20:51

30% of race

Average Pace: 10:08 /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 mi11:24:1326:558:4026:55
8:40
#18670
10K
6.21 mi11:51:3554:178:4427:22
8:49
#19339
15K
9.32 mi12:19:551:22:378:5228:20
9:07
#19941
20K
12.43 mi12:49:331:52:159:0229:38
9:32
#20497
Half
13.11 mi12:56:171:58:599:056:44
9:52
#20674
25K
15.53 mi13:20:352:23:179:1324:18
10:01
#21020
30K
18.64 mi13:55:182:58:009:3334:43
11:10
#21619
20M
20.00 mi14:14:173:16:599:5118:59
13:58
#22285
21M
21.00 mi14:26:463:29:289:5812:29
12:29
#22364
35K
21.75 mi14:34:233:37:059:597:37
10:11
#22334
23M
23.00 mi14:47:303:50:1210:0113:07
10:29
#22270
24M
24.00 mi14:58:144:00:5610:0210:44
10:44
#22286
40K
24.85 mi15:08:104:10:5210:069:56
11:37
#22340
25.2M
25.20 mi15:12:544:15:3610:094:44
13:44
#22387
Finish
26.22 mi15:23:084:25:5010:0910:14
10:03
#22376
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi186706982698221027(Top 79%)8251(Top 72%)8251(Top 454%)
10K6.21 mi3.10 mi19339-6697362-3807362-38019992(Top 75%)7697(Top 67%)7697(Top 424%)
15K9.32 mi3.11 mi19941-6027701-3397701-33921027(Top 79%)8251(Top 72%)8251(Top 454%)
20K12.43 mi3.11 mi20497-5567998-2977998-29721679(Top 81%)8615(Top 75%)8615(Top 474%)
Half13.11 mi0.68 mi20674-1778090-928090-9223030(Top 87%)9363(Top 82%)9363(Top 515%)
25K15.53 mi2.42 mi21020-3468277-1878277-18722264(Top 84%)8980(Top 79%)8980(Top 494%)
30K18.64 mi3.11 mi21619-5998624-3478624-34723377(Top 88%)9668(Top 85%)9668(Top 532%)
20M20.00 mi1.36 mi22285-6669001-3779001-37725803(Top 97%)11014(Top 96%)11014(Top 606%)
21M21.00 mi1.00 mi22364-799067-669067-6623442(Top 88%)9779(Top 86%)9779(Top 538%)
35K21.75 mi0.75 mi22334+309058+99058+921755(Top 82%)8909(Top 78%)8909(Top 490%)
23M23.00 mi1.25 mi22270+649022+369022+3621277(Top 80%)8671(Top 76%)8671(Top 477%)
24M24.00 mi1.00 mi22286-169035-139035-1322537(Top 85%)9383(Top 82%)9383(Top 516%)
40K24.85 mi0.85 mi22340-549076-419076-4123392(Top 88%)9874(Top 86%)9874(Top 543%)
25.2M25.20 mi0.35 mi22387-479111-359111-3524763(Top 93%)10568(Top 93%)10568(Top 582%)
Finish26.22 mi1.02 mi22376+119113-29113-221889(Top 82%)9060(Top 79%)9060(Top 499%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

21027

Females

8251

F45-49

8251

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

19992

Females

7697

F45-49

7697

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

21027

Females

8251

F45-49

8251

15K→20K

9.3 - 12.4 mi

Top 81%
×5story building
+106ft-86ft

Overall

21679

Females

8615

F45-49

8615

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

23030

Females

9363

F45-49

9363

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

22264

Females

8980

F45-49

8980

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

23377

Females

9668

F45-49

9668

30K→20M

18.6 - 20.0 mi

Top 97%
×5story building
+64ft-50ft

Overall

25803

Females

11014

F45-49

11014

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

23442

Females

9779

F45-49

9779

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

21755

Females

8909

F45-49

8909

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

21277

Females

8671

F45-49

8671

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

22537

Females

9383

F45-49

9383

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23392

Females

9874

F45-49

9874

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

24763

Females

10568

F45-49

10568

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2story building
+22ft-21ft

Overall

21889

Females

9060

F45-49

9060

Passing Analysis

Category:
Athletes Passed
539
Passed By
4245
Net Change
-3706
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18670
5K → 10K117786-669#18670#19339
10K → 15K40642-602#19339#19941
15K → 20K53609-556#19941#20497
20K → Half5182-177#20497#20674
Half → 25K29375-346#20674#21020
25K → 30K26625-599#21020#21619
30K → 20M5671-666#21619#22285
20M → 21M33112-79#22285#22364
21M → 35K5121+30#22364#22334
35K → 23M8824+64#22334#22270
23M → 24M3652-16#22270#22286
24M → 40K2478-54#22286#22340
40K → 25.2M552-47#22340#22387
25.2M → Finish2716+11#22387#22376
TOTALS5394245-3706
📊

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