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BOSTON MARATHON 2023

Gloria Bradley

Bib: 23195•F

OH

0:00
0:00
/ mi
Masters
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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
9:19/mi
28:58
↑ 97↓ 3451.5%
10K· 6.21 mi
9:18/mi
57:52
↑ 79↓ 1380.4%
15K· 9.32 mi
9:16/mi
1:26:39
↑ 67↓ 78
20K· 12.43 mi
9:21/mi
1:55:43
↑ 106↓ 860.1%
Half· 13.11 mi
9:17/mi
2:02:03
↑ 19↓ 370.5%
25K· 15.53 mi
9:24/mi
2:24:50
↑ 66↓ 880.2%
30K· 18.64 mi
10:14/mi
2:56:38
↑ 181↓ 1480.2%
20M
9:28/mi
3:09:30
↑ 64↓ 500.2%
21M
9:57/mi
3:19:27
↑ 106↓ 241.6%
35K· 21.75 mi
9:05/mi
3:26:15
↑ 17↓ 861.7%
23M
9:30/mi
3:38:09
↑ 23↓ 630.6%
24M
9:25/mi
3:47:34
↓ 821.3%
40K· 24.85 mi
10:13/mi
3:56:18
↓ 200.3%
25.2M
11:30/mi
4:00:16
↑ 13↓ 160.2%
Finish· 26.22 mi
9:17/mi
4:09:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:03
Pace9:19 /mi
2nd Half
Distance13.11 mi
Time2:07:41
Pace9:44 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:0928:589:1928:58
9:19
-
10K
6.21 mi11:54:0357:529:1928:54
9:18
-0:01
15K
9.32 mi12:22:501:26:399:1828:47
9:16
-0:02
20K
12.43 mi12:51:541:55:439:1929:04
9:21
+0:05
Half
13.11 mi12:58:142:02:039:196:20
9:17
-0:04
25K
15.53 mi13:21:012:24:509:1922:47
9:24
+0:07
30K
18.64 mi13:52:492:56:389:2931:48
10:14
+0:50
20M
20.00 mi14:05:413:09:309:2812:52
9:28
-0:46
21M
21.00 mi14:15:383:19:279:309:57
9:57
+0:29
35K
21.75 mi14:22:263:26:159:296:48
9:05
-0:52
23M
23.00 mi14:34:203:38:099:2911:54
9:30
+0:25
24M
24.00 mi14:43:453:47:349:299:25
9:25
-0:05
40K
24.85 mi14:52:293:56:189:308:44
10:13
+0:48
25.2M
25.20 mi14:56:274:00:169:323:58
11:30
+1:17
Finish
26.22 mi15:05:554:09:449:329:28
9:17
-2:13

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

9:05 /mi

Average Pace

9:32 /mi

Slowest Pace

11:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

6:48

3% of race

Time at Steady Pace

3:08:29

75% of race

Time at Slower Pace

54:27

22% of race

Average Pace: 9:31 /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 mi11:25:0928:589:1928:58
9:19
#21607
10K
6.21 mi11:54:0357:529:1928:54
9:18
#21775
15K
9.32 mi12:22:501:26:399:1828:47
9:16
#21677
20K
12.43 mi12:51:541:55:439:1929:04
9:21
#21541
Half
13.11 mi12:58:142:02:039:196:20
9:17
#21533
25K
15.53 mi13:21:012:24:509:1922:47
9:24
#21355
30K
18.64 mi13:52:492:56:389:2931:48
10:14
#21398
20M
20.00 mi14:05:413:09:309:2812:52
9:28
#21201
21M
21.00 mi14:15:383:19:279:309:57
9:57
#21021
35K
21.75 mi14:22:263:26:159:296:48
9:05
#20915
23M
23.00 mi14:34:203:38:099:2911:54
9:30
#20756
24M
24.00 mi14:43:453:47:349:299:25
9:25
#20673
40K
24.85 mi14:52:293:56:189:308:44
10:13
#20658
25.2M
25.20 mi14:56:274:00:169:323:58
11:30
#20679
Finish
26.22 mi15:05:554:09:449:329:28
9:17
#20627
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi216078695869521534(Top 81%)8520(Top 75%)8520(Top 706%)
10K6.21 mi3.10 mi21775-1688730-358730-3521944(Top 82%)8789(Top 77%)8789(Top 728%)
15K9.32 mi3.11 mi21677+988664+668664+6621534(Top 81%)8520(Top 75%)8520(Top 706%)
20K12.43 mi3.11 mi21541+1368578+868578+8621120(Top 79%)8304(Top 73%)8304(Top 688%)
Half13.11 mi0.68 mi21533+88565+138565+1321461(Top 81%)8490(Top 74%)8490(Top 703%)
25K15.53 mi2.42 mi21355+1788463+1028463+10220517(Top 77%)7998(Top 70%)7998(Top 663%)
30K18.64 mi3.11 mi21398-438500-378500-3721622(Top 81%)8695(Top 76%)8695(Top 720%)
20M20.00 mi1.36 mi21201+1978417+838417+8318774(Top 71%)7178(Top 63%)7178(Top 595%)
21M21.00 mi1.00 mi21021+1808325+928325+9217886(Top 67%)6694(Top 59%)6694(Top 555%)
35K21.75 mi0.75 mi20915+1068273+528273+5218321(Top 69%)7022(Top 61%)7022(Top 582%)
23M23.00 mi1.25 mi20756+1598199+748199+7418373(Top 69%)7065(Top 62%)7065(Top 585%)
24M24.00 mi1.00 mi20673+838162+378162+3718935(Top 71%)7414(Top 65%)7414(Top 614%)
40K24.85 mi0.85 mi20658+158163-18163-120534(Top 77%)8350(Top 73%)8350(Top 692%)
25.2M25.20 mi0.35 mi20679-218181-188181-1821589(Top 81%)8904(Top 78%)8904(Top 738%)
Finish26.22 mi1.02 mi20627+528160+218160+2119344(Top 73%)7644(Top 67%)7644(Top 633%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

21534

Females

8520

F50-54

8520

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

21944

Females

8789

F50-54

8789

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

21534

Females

8520

F50-54

8520

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

21120

Females

8304

F50-54

8304

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

21461

Females

8490

F50-54

8490

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

20517

Females

7998

F50-54

7998

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

21622

Females

8695

F50-54

8695

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

18774

Females

7178

F50-54

7178

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

17886

Females

6694

F50-54

6694

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

18321

Females

7022

F50-54

7022

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

18373

Females

7065

F50-54

7065

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

18935

Females

7414

F50-54

7414

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20534

Females

8350

F50-54

8350

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21589

Females

8904

F50-54

8904

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

19344

Females

7644

F50-54

7644

Passing Analysis

Category:
Athletes Passed
1848
Passed By
868
Net Change
+980
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21607
5K → 10K212380-168#21607#21775
10K → 15K214116+98#21775#21677
15K → 20K19761+136#21677#21541
20K → Half3022+8#21541#21533
Half → 25K20628+178#21533#21355
25K → 30K106149-43#21355#21398
30K → 20M2036+197#21398#21201
20M → 21M1844+180#21201#21021
21M → 35K1104+106#21021#20915
35K → 23M1689+159#20915#20756
23M → 24M929+83#20756#20673
24M → 40K4732+15#20673#20658
40K → 25.2M829-21#20658#20679
25.2M → Finish7119+52#20679#20627
TOTALS1848868+980
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing