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BOSTON MARATHON 2025

Janet Morrice

Bib: 16818•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 42%
Masters (Masters Women)
#0 / 6759
Top 28%
Division (F50-54)
#0 / 1303
Top 20%
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
7:44/mi
24:03
↑ 97↓ 3451.5%
10K· 6.21 mi
7:55/mi
48:38
↑ 79↓ 1380.4%
15K· 9.32 mi
7:58/mi
1:13:22
↑ 67↓ 78
20K· 12.43 mi
8:03/mi
1:38:24
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:43:49
↑ 19↓ 370.5%
25K· 15.53 mi
8:13/mi
2:03:44
↑ 66↓ 880.2%
30K· 18.64 mi
8:35/mi
2:30:23
↑ 181↓ 1480.2%
20M
9:21/mi
2:43:06
↑ 64↓ 500.2%
21M
9:30/mi
2:52:36
↑ 106↓ 241.6%
35K· 21.75 mi
10:08/mi
3:00:11
↑ 17↓ 861.7%
23M
8:25/mi
3:10:43
↑ 23↓ 630.6%
24M
8:29/mi
3:19:12
↓ 821.3%
40K· 24.85 mi
8:40/mi
3:26:37
↓ 200.3%
25.2M
9:25/mi
3:29:52
↑ 13↓ 160.2%
Finish· 26.22 mi
8:12/mi
3:38:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:49
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:54:24
Pace8:44 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:3724:037:4424:03
7:44
-
10K
6.21 mi11:22:1248:387:5024:35
7:55
+0:11
15K
9.32 mi11:46:561:13:227:5224:44
7:58
+0:03
20K
12.43 mi12:11:581:38:247:5525:02
8:03
+0:05
Half
13.11 mi12:17:231:43:497:555:25
7:56
-0:07
25K
15.53 mi12:37:182:03:447:5819:55
8:13
+0:17
30K
18.64 mi13:03:572:30:238:0426:39
8:35
+0:22
20M
20.00 mi13:16:402:43:068:0912:43
9:21
+0:46
21M
21.00 mi13:26:102:52:368:139:30
9:30
+0:09
35K
21.75 mi13:33:453:00:118:177:35
10:08
+0:38
23M
23.00 mi13:44:173:10:438:1810:32
8:25
-1:43
24M
24.00 mi13:52:463:19:128:188:29
8:29
+0:04
40K
24.85 mi14:00:113:26:378:197:25
8:40
+0:11
25.2M
25.20 mi14:03:263:29:528:203:15
9:25
+0:45
Finish
26.22 mi14:11:473:38:138:208:21
8:12
-1:13

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

7:44 /mi

Average Pace

8:20 /mi

Slowest Pace

10:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:49

48% of race

Time at Steady Pace

1:21:21

37% of race

Time at Slower Pace

33:03

15% of race

Average Pace: 8:19 /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 mi10:57:3724:037:4424:03
7:44
#14314
10K
6.21 mi11:22:1248:387:5024:35
7:55
#15026
15K
9.32 mi11:46:561:13:227:5224:44
7:58
#15256
20K
12.43 mi12:11:581:38:247:5525:02
8:03
#15258
Half
13.11 mi12:17:231:43:497:555:25
7:56
#15272
25K
15.53 mi12:37:182:03:447:5819:55
8:13
#15288
30K
18.64 mi13:03:572:30:238:0426:39
8:35
#15271
20M
20.00 mi13:16:402:43:068:0912:43
9:21
#15524
21M
21.00 mi13:26:102:52:368:139:30
9:30
#15527
35K
21.75 mi13:33:453:00:118:177:35
10:08
#15866
23M
23.00 mi13:44:173:10:438:1810:32
8:25
#15661
24M
24.00 mi13:52:463:19:128:188:29
8:29
#15583
40K
24.85 mi14:00:113:26:378:197:25
8:40
#15508
25.2M
25.20 mi14:03:263:29:528:203:15
9:25
#15479
Finish
26.22 mi14:11:473:38:138:208:21
8:12
#15425
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi143144113411315763(Top 55%)5012(Top 41%)5012(Top 385%)
10K6.21 mi3.10 mi15026-7124566-4534566-45315767(Top 56%)4996(Top 41%)4996(Top 383%)
15K9.32 mi3.11 mi15256-2304712-1464712-14615763(Top 55%)5012(Top 41%)5012(Top 385%)
20K12.43 mi3.11 mi15258-24728-164728-1615346(Top 54%)4830(Top 39%)4830(Top 371%)
Half13.11 mi0.68 mi15272-144737-94737-915497(Top 55%)4897(Top 40%)4897(Top 376%)
25K15.53 mi2.42 mi15288-164768-314768-3115411(Top 54%)4964(Top 41%)4964(Top 381%)
30K18.64 mi3.11 mi15271+174808-404808-4015258(Top 54%)5051(Top 41%)5051(Top 388%)
20M20.00 mi1.36 mi15524-2534984-1764984-17618559(Top 65%)7029(Top 57%)7029(Top 539%)
21M21.00 mi1.00 mi15527-35030-465030-4616090(Top 57%)5749(Top 47%)5749(Top 441%)
35K21.75 mi0.75 mi15866-3395246-2165246-21622270(Top 78%)9169(Top 75%)9169(Top 704%)
23M23.00 mi1.25 mi15661+2055169+775169+7712806(Top 45%)4172(Top 34%)4172(Top 320%)
24M24.00 mi1.00 mi15583+785139+305139+3014420(Top 51%)5047(Top 41%)5047(Top 387%)
40K24.85 mi0.85 mi15508+755134+55134+514497(Top 51%)5242(Top 43%)5242(Top 402%)
25.2M25.20 mi0.35 mi15479+295126+85126+814221(Top 50%)5141(Top 42%)5141(Top 395%)
Finish26.22 mi1.02 mi15425+545118+85118+814255(Top 50%)5079(Top 42%)5079(Top 390%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

15763

Females

5012

F50-54

5012

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

15767

Females

4996

F50-54

4996

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

15763

Females

5012

F50-54

5012

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

15346

Females

4830

F50-54

4830

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

15497

Females

4897

F50-54

4897

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

15411

Females

4964

F50-54

4964

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

15258

Females

5051

F50-54

5051

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

18559

Females

7029

F50-54

7029

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

16090

Females

5749

F50-54

5749

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

22270

Females

9169

F50-54

9169

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

12806

Females

4172

F50-54

4172

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

14420

Females

5047

F50-54

5047

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

14497

Females

5242

F50-54

5242

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14221

Females

5141

F50-54

5141

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

14255

Females

5079

F50-54

5079

Passing Analysis

Category:
Athletes Passed
1648
Passed By
2759
Net Change
-1111
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14314
5K → 10K93805-712#14314#15026
10K → 15K144374-230#15026#15256
15K → 20K203205-2#15256#15258
20K → Half3448-14#15258#15272
Half → 25K172188-16#15272#15288
25K → 30K250233+17#15288#15271
30K → 20M60313-253#15271#15524
20M → 21M118121-3#15524#15527
21M → 35K13352-339#15527#15866
35K → 23M22015+205#15866#15661
23M → 24M10325+78#15661#15583
24M → 40K10328+75#15583#15508
40K → 25.2M4314+29#15508#15479
25.2M → Finish9238+54#15479#15425
TOTALS16482759-1111
📊

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