Boston Marathon logo
BOSTON MARATHON 2023

Angie Pferdner

Bib: 20055•F

UT

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
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
8:48/mi
27:20
↑ 97↓ 3451.5%
10K· 6.21 mi
8:53/mi
54:55
↑ 79↓ 1380.4%
15K· 9.32 mi
9:05/mi
1:23:07
↑ 67↓ 78
20K· 12.43 mi
9:26/mi
1:52:26
↑ 106↓ 860.1%
Half· 13.11 mi
9:18/mi
1:58:47
↑ 19↓ 370.5%
25K· 15.53 mi
9:43/mi
2:22:21
↑ 66↓ 880.2%
30K· 18.64 mi
10:08/mi
2:53:49
↑ 181↓ 1480.2%
20M
10:03/mi
3:07:28
↑ 64↓ 500.2%
21M
10:56/mi
3:18:24
↑ 106↓ 241.6%
35K· 21.75 mi
9:27/mi
3:25:28
↑ 17↓ 861.7%
23M
9:45/mi
3:37:41
↑ 23↓ 630.6%
24M
9:23/mi
3:47:04
↓ 821.3%
40K· 24.85 mi
9:27/mi
3:55:09
↓ 200.3%
25.2M
10:12/mi
3:58:40
↑ 13↓ 160.2%
Finish· 26.22 mi
9:10/mi
4:08:00
↑ 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
Time1:58:47
Pace9:04 /mi
2nd Half
Distance13.11 mi
Time2:09:13
Pace9:51 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:3727:208:4827:20
8:48
-
10K
6.21 mi11:50:1254:558:5027:35
8:53
+0:05
15K
9.32 mi12:18:241:23:078:5528:12
9:05
+0:12
20K
12.43 mi12:47:431:52:269:0329:19
9:26
+0:21
Half
13.11 mi12:54:041:58:479:046:21
9:18
-0:08
25K
15.53 mi13:17:382:22:219:1023:34
9:43
+0:25
30K
18.64 mi13:49:062:53:499:1931:28
10:08
+0:25
20M
20.00 mi14:02:453:07:289:2213:39
10:03
-0:05
21M
21.00 mi14:13:413:18:249:2710:56
10:56
+0:53
35K
21.75 mi14:20:453:25:289:277:04
9:27
-1:29
23M
23.00 mi14:32:583:37:419:2812:13
9:45
+0:18
24M
24.00 mi14:42:213:47:049:289:23
9:23
-0:22
40K
24.85 mi14:50:263:55:099:288:05
9:27
+0:04
25.2M
25.20 mi14:53:573:58:409:283:31
10:12
+0:45
Finish
26.22 mi15:03:174:08:009:289:20
9:10
-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

8:48 /mi

Average Pace

9:28 /mi

Slowest Pace

10:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:27

37% of race

Time at Steady Pace

1:23:46

34% of race

Time at Slower Pace

1:11:47

29% of race

Average Pace: 9:28 /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 mi11:22:3727:208:4827:20
8:48
#19455
10K
6.21 mi11:50:1254:558:5027:35
8:53
#19874
15K
9.32 mi12:18:241:23:078:5528:12
9:05
#20208
20K
12.43 mi12:47:431:52:269:0329:19
9:26
#20570
Half
13.11 mi12:54:041:58:479:046:21
9:18
#20614
25K
15.53 mi13:17:382:22:219:1023:34
9:43
#20814
30K
18.64 mi13:49:062:53:499:1931:28
10:08
#20919
20M
20.00 mi14:02:453:07:289:2213:39
10:03
#20874
21M
21.00 mi14:13:413:18:249:2710:56
10:56
#20843
35K
21.75 mi14:20:453:25:289:277:04
9:27
#20794
23M
23.00 mi14:32:583:37:419:2812:13
9:45
#20682
24M
24.00 mi14:42:213:47:049:289:23
9:23
#20597
40K
24.85 mi14:50:263:55:099:288:05
9:27
#20503
25.2M
25.20 mi14:53:573:58:409:283:31
10:12
#20450
Finish
26.22 mi15:03:174:08:009:289:20
9:10
#20392
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi194557484748420847(Top 78%)8152(Top 71%)8152(Top 675%)
10K6.21 mi3.10 mi19874-4197693-2097693-20920337(Top 76%)7891(Top 69%)7891(Top 654%)
15K9.32 mi3.11 mi20208-3347853-1607853-16020847(Top 78%)8152(Top 71%)8152(Top 675%)
20K12.43 mi3.11 mi20570-3628036-1838036-18321346(Top 80%)8431(Top 74%)8431(Top 699%)
Half13.11 mi0.68 mi20614-448055-198055-1921548(Top 81%)8534(Top 75%)8534(Top 707%)
25K15.53 mi2.42 mi20814-2008155-1008155-10021528(Top 81%)8568(Top 75%)8568(Top 710%)
30K18.64 mi3.11 mi20919-1058230-758230-7521362(Top 80%)8550(Top 75%)8550(Top 708%)
20M20.00 mi1.36 mi20874+458220+108220+1020609(Top 77%)8190(Top 72%)8190(Top 679%)
21M21.00 mi1.00 mi20843+318222-28222-220690(Top 78%)8286(Top 73%)8286(Top 686%)
35K21.75 mi0.75 mi20794+498207+158207+1519710(Top 74%)7764(Top 68%)7764(Top 643%)
23M23.00 mi1.25 mi20682+1128157+508157+5019305(Top 73%)7588(Top 66%)7588(Top 629%)
24M24.00 mi1.00 mi20597+858123+348123+3418816(Top 71%)7345(Top 64%)7345(Top 609%)
40K24.85 mi0.85 mi20503+948074+498074+4918203(Top 68%)7058(Top 62%)7058(Top 585%)
25.2M25.20 mi0.35 mi20450+538047+278047+2718177(Top 68%)7057(Top 62%)7057(Top 585%)
Finish26.22 mi1.02 mi20392+588023+248023+2418763(Top 70%)7319(Top 64%)7319(Top 606%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

20847

Females

8152

F50-54

8152

5K→10K

3.1 - 6.2 mi

Top 76%
×5story building
+79ft-138ft

Overall

20337

Females

7891

F50-54

7891

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

20847

Females

8152

F50-54

8152

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

21346

Females

8431

F50-54

8431

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

21548

Females

8534

F50-54

8534

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

21528

Females

8568

F50-54

8568

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

21362

Females

8550

F50-54

8550

30K→20M

18.6 - 20.0 mi

Top 77%
×5story building
+64ft-50ft

Overall

20609

Females

8190

F50-54

8190

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

20690

Females

8286

F50-54

8286

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

19710

Females

7764

F50-54

7764

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

19305

Females

7588

F50-54

7588

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

18816

Females

7345

F50-54

7345

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

18203

Females

7058

F50-54

7058

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18177

Females

7057

F50-54

7057

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2story building
+22ft-21ft

Overall

18763

Females

7319

F50-54

7319

Passing Analysis

Category:
Athletes Passed
1170
Passed By
2107
Net Change
-937
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19455
5K → 10K146565-419#19455#19874
10K → 15K84418-334#19874#20208
15K → 20K74436-362#20208#20570
20K → Half1660-44#20570#20614
Half → 25K45245-200#20614#20814
25K → 30K110215-105#20814#20919
30K → 20M9550+45#20919#20874
20M → 21M7847+31#20874#20843
21M → 35K6213+49#20843#20794
35K → 23M13321+112#20794#20682
23M → 24M9510+85#20682#20597
24M → 40K1028+94#20597#20503
40K → 25.2M574+53#20503#20450
25.2M → Finish7315+58#20450#20392
TOTALS11702107-937
📊

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