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BOSTON MARATHON 2025

Pamela Borealis

Bib: 20954•F

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 49%
Masters (Masters Women)
#0 / 6759
Top 37%
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ 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
7:58/mi
24:44
↑ 97↓ 3451.5%
10K· 6.21 mi
8:01/mi
49:37
↑ 79↓ 1380.4%
15K· 9.32 mi
8:02/mi
1:14:35
↑ 67↓ 78
20K· 12.43 mi
8:16/mi
1:40:15
↑ 106↓ 860.1%
Half· 13.11 mi
8:02/mi
1:45:44
↑ 19↓ 370.5%
25K· 15.53 mi
8:17/mi
2:05:49
↑ 66↓ 880.2%
30K· 18.64 mi
8:41/mi
2:32:48
↑ 181↓ 1480.2%
20M
9:14/mi
2:45:21
↑ 64↓ 500.2%
21M
10:09/mi
2:55:30
↑ 106↓ 241.6%
35K· 21.75 mi
9:27/mi
3:02:34
↑ 17↓ 861.7%
23M
9:09/mi
3:14:01
↑ 23↓ 630.6%
24M
9:18/mi
3:23:19
↓ 821.3%
40K· 24.85 mi
9:41/mi
3:31:36
↓ 200.3%
25.2M
10:18/mi
3:35:09
↑ 13↓ 160.2%
Finish· 26.22 mi
8:37/mi
3:43:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:44
Pace8:04 /mi
2nd Half
Distance13.11 mi
Time1:58:12
Pace9:01 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:4824:447:5824:44
7:58
-
10K
6.21 mi11:43:4149:377:5924:53
8:01
+0:03
15K
9.32 mi12:08:391:14:358:0024:58
8:02
+0:01
20K
12.43 mi12:34:191:40:158:0425:40
8:16
+0:14
Half
13.11 mi12:39:481:45:448:045:29
8:02
-0:14
25K
15.53 mi12:59:532:05:498:0620:05
8:17
+0:15
30K
18.64 mi13:26:522:32:488:1226:59
8:41
+0:24
20M
20.00 mi13:39:252:45:218:1612:33
9:14
+0:33
21M
21.00 mi13:49:342:55:308:2110:09
10:09
+0:55
35K
21.75 mi13:56:383:02:348:247:04
9:27
-0:42
23M
23.00 mi14:08:053:14:018:2611:27
9:09
-0:18
24M
24.00 mi14:17:233:23:198:289:18
9:18
+0:09
40K
24.85 mi14:25:403:31:368:318:17
9:41
+0:23
25.2M
25.20 mi14:29:133:35:098:323:33
10:18
+0:37
Finish
26.22 mi14:38:003:43:568:338:47
8:37
-1:41

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

7:58 /mi

Average Pace

8:33 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:49

56% of race

Time at Steady Pace

35:46

16% of race

Time at Slower Pace

1:02:21

28% of race

Average Pace: 8:32 /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 mi11:18:4824:447:5824:44
7:58
#16307
10K
6.21 mi11:43:4149:377:5924:53
8:01
#16392
15K
9.32 mi12:08:391:14:358:0024:58
8:02
#16355
20K
12.43 mi12:34:191:40:158:0425:40
8:16
#16434
Half
13.11 mi12:39:481:45:448:045:29
8:02
#16428
25K
15.53 mi12:59:532:05:498:0620:05
8:17
#16326
30K
18.64 mi13:26:522:32:488:1226:59
8:41
#16192
20M
20.00 mi13:39:252:45:218:1612:33
9:14
#16301
21M
21.00 mi13:49:342:55:308:2110:09
10:09
#16438
35K
21.75 mi13:56:383:02:348:247:04
9:27
#16581
23M
23.00 mi14:08:053:14:018:2611:27
9:09
#16579
24M
24.00 mi14:17:233:23:198:289:18
9:18
#16702
40K
24.85 mi14:25:403:31:368:318:17
9:41
#16830
25.2M
25.20 mi14:29:133:35:098:323:33
10:18
#16855
Finish
26.22 mi14:38:003:43:568:338:47
8:37
#16877
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi163075337533716342(Top 58%)5342(Top 44%)5342(Top 311%)
10K6.21 mi3.10 mi16392-855379-425379-4216562(Top 58%)5458(Top 45%)5458(Top 318%)
15K9.32 mi3.11 mi16355+375347+325347+3216342(Top 58%)5342(Top 44%)5342(Top 311%)
20K12.43 mi3.11 mi16434-795395-485395-4816719(Top 59%)5620(Top 46%)5620(Top 327%)
Half13.11 mi0.68 mi16428+65391+45391+416268(Top 57%)5355(Top 44%)5355(Top 312%)
25K15.53 mi2.42 mi16326+1025357+345357+3415832(Top 56%)5220(Top 43%)5220(Top 304%)
30K18.64 mi3.11 mi16192+1345334+235334+2315920(Top 56%)5421(Top 44%)5421(Top 316%)
20M20.00 mi1.36 mi16301-1095435-1015435-10117958(Top 63%)6687(Top 55%)6687(Top 389%)
21M21.00 mi1.00 mi16438-1375552-1175552-11718865(Top 66%)7263(Top 59%)7263(Top 423%)
35K21.75 mi0.75 mi16581-1435653-1015653-10120148(Top 71%)8051(Top 66%)8051(Top 469%)
23M23.00 mi1.25 mi16579+25682-295682-2917090(Top 60%)6500(Top 53%)6500(Top 378%)
24M24.00 mi1.00 mi16702-1235781-995781-9918825(Top 66%)7450(Top 61%)7450(Top 434%)
40K24.85 mi0.85 mi16830-1285891-1105891-11019434(Top 68%)7850(Top 64%)7850(Top 457%)
25.2M25.20 mi0.35 mi16855-255920-295920-2918293(Top 64%)7281(Top 60%)7281(Top 424%)
Finish26.22 mi1.02 mi16877-225952-325952-3216979(Top 60%)6547(Top 54%)6547(Top 381%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

16342

Females

5342

F40-44

5342

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

16562

Females

5458

F40-44

5458

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

16342

Females

5342

F40-44

5342

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

16719

Females

5620

F40-44

5620

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

16268

Females

5355

F40-44

5355

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

15832

Females

5220

F40-44

5220

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

15920

Females

5421

F40-44

5421

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

17958

Females

6687

F40-44

6687

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

18865

Females

7263

F40-44

7263

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

20148

Females

8051

F40-44

8051

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

17090

Females

6500

F40-44

6500

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

18825

Females

7450

F40-44

7450

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

19434

Females

7850

F40-44

7850

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18293

Females

7281

F40-44

7281

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

16979

Females

6547

F40-44

6547

Passing Analysis

Category:
Athletes Passed
1696
Passed By
2266
Net Change
-570
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16307
5K → 10K258343-85#16307#16392
10K → 15K224187+37#16392#16355
15K → 20K193272-79#16355#16434
20K → Half3731+6#16434#16428
Half → 25K204102+102#16428#16326
25K → 30K291157+134#16326#16192
30K → 20M76185-109#16192#16301
20M → 21M72209-137#16301#16438
21M → 35K37180-143#16438#16581
35K → 23M113111+2#16581#16579
23M → 24M45168-123#16579#16702
24M → 40K49177-128#16702#16830
40K → 25.2M3055-25#16830#16855
25.2M → Finish6789-22#16855#16877
TOTALS16962266-570
📊

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