Boston Marathon logo
BOSTON MARATHON 2023

Polly Gill

Bib: 12584•F

CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 44%
Masters (Masters Women)
#0 / 6539
Top 31%
Division (F50-54)
#0 / 1207
Top 23%
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
7:36/mi
23:38
↑ 97↓ 3451.5%
10K· 6.21 mi
7:47/mi
47:50
↑ 79↓ 1380.4%
15K· 9.32 mi
7:59/mi
1:12:38
↑ 67↓ 78
20K· 12.43 mi
8:14/mi
1:38:13
↑ 106↓ 860.1%
Half· 13.11 mi
10:11/mi
1:45:10
↑ 19↓ 370.5%
25K· 15.53 mi
8:26/mi
2:05:37
↑ 66↓ 880.2%
30K· 18.64 mi
8:58/mi
2:33:29
↑ 181↓ 1480.2%
20M
9:03/mi
2:45:47
↑ 64↓ 500.2%
21M
9:41/mi
2:55:28
↑ 106↓ 241.6%
35K· 21.75 mi
8:33/mi
3:01:52
↑ 17↓ 861.7%
23M
9:01/mi
3:13:09
↑ 23↓ 630.6%
24M
8:38/mi
3:21:47
↓ 821.3%
40K· 24.85 mi
8:50/mi
3:29:20
↓ 200.3%
25.2M
9:05/mi
3:32:28
↑ 13↓ 160.2%
Finish· 26.22 mi
8:04/mi
3:40:41
↑ 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
Time1:45:10
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:55:31
Pace8:49 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2923:387:3623:38
7:36
-
10K
6.21 mi11:15:4147:507:4224:12
7:47
+0:11
15K
9.32 mi11:40:291:12:387:4824:48
7:59
+0:12
20K
12.43 mi12:06:041:38:137:5425:35
8:14
+0:15
Half
13.11 mi12:13:011:45:108:016:57
10:11
+1:57
25K
15.53 mi12:33:282:05:378:0520:27
8:26
-1:45
30K
18.64 mi13:01:202:33:298:1427:52
8:58
+0:32
20M
20.00 mi13:13:382:45:478:1712:18
9:03
+0:05
21M
21.00 mi13:23:192:55:288:219:41
9:41
+0:38
35K
21.75 mi13:29:433:01:528:226:24
8:33
-1:08
23M
23.00 mi13:41:003:13:098:2411:17
9:01
+0:28
24M
24.00 mi13:49:383:21:478:248:38
8:38
-0:23
40K
24.85 mi13:57:113:29:208:257:33
8:50
+0:12
25.2M
25.20 mi14:00:193:32:288:263:08
9:05
+0:15
Finish
26.22 mi14:08:323:40:418:258:13
8:04
-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

7:36 /mi

Average Pace

8:25 /mi

Slowest Pace

10:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:26

48% of race

Time at Steady Pace

1:10:54

32% of race

Time at Slower Pace

43:21

20% of race

Average Pace: 8:25 /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 mi10:51:2923:387:3623:38
7:36
#10620
10K
6.21 mi11:15:4147:507:4224:12
7:47
#11805
15K
9.32 mi11:40:291:12:387:4824:48
7:59
#12626
20K
12.43 mi12:06:041:38:137:5425:35
8:14
#13357
Half
13.11 mi12:13:011:45:108:016:57
10:11
#14285
25K
15.53 mi12:33:282:05:378:0520:27
8:26
#14559
30K
18.64 mi13:01:202:33:298:1427:52
8:58
#15028
20M
20.00 mi13:13:382:45:478:1712:18
9:03
#15161
21M
21.00 mi13:23:192:55:288:219:41
9:41
#15245
35K
21.75 mi13:29:433:01:528:226:24
8:33
#15226
23M
23.00 mi13:41:003:13:098:2411:17
9:01
#15278
24M
24.00 mi13:49:383:21:478:248:38
8:38
#15261
40K
24.85 mi13:57:113:29:208:257:33
8:50
#15268
25.2M
25.20 mi14:00:193:32:288:263:08
9:05
#15222
Finish
26.22 mi14:08:323:40:418:258:13
8:04
#15108
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi106202153215314256(Top 54%)4236(Top 37%)4236(Top 351%)
10K6.21 mi3.10 mi11805-11852771-6182771-61813046(Top 49%)3457(Top 30%)3457(Top 286%)
15K9.32 mi3.11 mi12626-8213249-4783249-47814256(Top 54%)4236(Top 37%)4236(Top 351%)
20K12.43 mi3.11 mi13357-7313697-4483697-44815186(Top 57%)4827(Top 42%)4827(Top 400%)
Half13.11 mi0.68 mi14285-9284254-5574254-55723645(Top 89%)9701(Top 85%)9701(Top 804%)
25K15.53 mi2.42 mi14559-2744444-1904444-19015807(Top 59%)5317(Top 47%)5317(Top 441%)
30K18.64 mi3.11 mi15028-4694769-3254769-32517004(Top 64%)6062(Top 53%)6062(Top 502%)
20M20.00 mi1.36 mi15161-1334878-1094878-10916809(Top 63%)6034(Top 53%)6034(Top 500%)
21M21.00 mi1.00 mi15245-844960-824960-8216782(Top 63%)6058(Top 53%)6058(Top 502%)
35K21.75 mi0.75 mi15226+194965-54965-515608(Top 59%)5467(Top 48%)5467(Top 453%)
23M23.00 mi1.25 mi15278-525014-495014-4916130(Top 61%)5810(Top 51%)5810(Top 481%)
24M24.00 mi1.00 mi15261+175018-45018-415280(Top 57%)5392(Top 47%)5392(Top 447%)
40K24.85 mi0.85 mi15268-75035-175035-1715263(Top 57%)5445(Top 48%)5445(Top 451%)
25.2M25.20 mi0.35 mi15222+465017+185017+1813089(Top 49%)4287(Top 38%)4287(Top 355%)
Finish26.22 mi1.02 mi15108+1144971+464971+4612598(Top 47%)4015(Top 35%)4015(Top 333%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

14256

Females

4236

F50-54

4236

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

13046

Females

3457

F50-54

3457

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

14256

Females

4236

F50-54

4236

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

15186

Females

4827

F50-54

4827

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

23645

Females

9701

F50-54

9701

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

15807

Females

5317

F50-54

5317

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

17004

Females

6062

F50-54

6062

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

16809

Females

6034

F50-54

6034

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16782

Females

6058

F50-54

6058

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

15608

Females

5467

F50-54

5467

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

16130

Females

5810

F50-54

5810

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

15280

Females

5392

F50-54

5392

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15263

Females

5445

F50-54

5445

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13089

Females

4287

F50-54

4287

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

12598

Females

4015

F50-54

4015

Passing Analysis

Category:
Athletes Passed
820
Passed By
5308
Net Change
-4488
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10620
5K → 10K481233-1185#10620#11805
10K → 15K32853-821#11805#12626
15K → 20K45776-731#12626#13357
20K → Half0928-928#13357#14285
Half → 25K73347-274#14285#14559
25K → 30K63532-469#14559#15028
30K → 20M50183-133#15028#15161
20M → 21M59143-84#15161#15245
21M → 35K5132+19#15245#15226
35K → 23M69121-52#15226#15278
23M → 24M8164+17#15278#15261
24M → 40K5764-7#15261#15268
40K → 25.2M5812+46#15268#15222
25.2M → Finish13420+114#15222#15108
TOTALS8205308-4488
📊

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