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BOSTON MARATHON 2025

Grace Sousa

HI

Bib: 21214 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:03/mi
25:00
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:19/mi
50:49
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:19/mi
1:16:38
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:11/mi
1:45:10
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:23/mi
1:50:53
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:02/mi
2:12:48
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:19/mi
2:44:52
↑ 181↓ 1480.2%
138 ft elev
20M
9:13/mi
2:57:24
↑ 64↓ 500.2%
148 ft elev
21M
10:47/mi
3:08:11
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:51/mi
3:14:48
↑ 17↓ 861.7%
156 ft elev
23M
9:12/mi
3:26:19
↑ 23↓ 630.6%
116 ft elev
24M
8:46/mi
3:35:05
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:45/mi
3:42:34
↓ 200.3%
20 ft elev
25.2M
9:37/mi
3:45:53
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:38/mi
3:54:41
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:50:538:27 /mi⚡ faster
2nd Half
2:03:489:27 /mi+11.6%
Positive split — 11.6% slower in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:0625:008:0325:00
8:03
-
10K
6.21 mi11:44:5550:498:1125:49
8:19
+0:16
15K
9.32 mi12:10:441:16:388:1325:49
8:19
0:00
20K
12.43 mi12:39:161:45:108:2828:32
9:11
+0:52
Half
13.11 mi12:44:591:50:538:275:43
8:23
-0:48
25K
15.53 mi13:06:542:12:488:3321:55
9:02
+0:39
30K
18.64 mi13:38:582:44:528:5132:04
10:19
+1:17
20M
20.00 mi13:51:302:57:248:5212:32
9:13
-1:06
21M
21.00 mi14:02:173:08:118:5810:47
10:47
+1:34
35K
21.75 mi14:08:543:14:488:576:37
8:51
-1:56
23M
23.00 mi14:20:253:26:198:5811:31
9:12
+0:21
24M
24.00 mi14:29:113:35:058:588:46
8:46
-0:26
40K
24.85 mi14:36:403:42:348:577:29
8:45
-0:01
25.2M
25.20 mi14:39:593:45:538:583:19
9:37
+0:52
Finish
26.22 mi14:48:473:54:418:578:48
8:38
-0:59

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

8:03 /mi

Average Pace

8:57 /mi

Slowest Pace

10:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:21

35% of race

Time at Steady Pace

1:33:38

40% of race

Time at Slower Pace

58:42

25% of race

Average Pace: 8:57 /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 mi11:19:0625:008:0325:00
8:03
#16983
10K
6.21 mi11:44:5550:498:1125:49
8:19
#17832
15K
9.32 mi12:10:441:16:388:1325:49
8:19
#17911
20K
12.43 mi12:39:161:45:108:2828:32
9:11
#19037
Half
13.11 mi12:44:591:50:538:275:43
8:23
#19006
25K
15.53 mi13:06:542:12:488:3321:55
9:02
#19199
30K
18.64 mi13:38:582:44:528:5132:04
10:19
#20106
20M
20.00 mi13:51:302:57:248:5212:32
9:13
#19933
21M
21.00 mi14:02:173:08:118:5810:47
10:47
#20004
35K
21.75 mi14:08:543:14:488:576:37
8:51
#19917
23M
23.00 mi14:20:253:26:198:5811:31
9:12
#19757
24M
24.00 mi14:29:113:35:058:588:46
8:46
#19608
40K
24.85 mi14:36:403:42:348:577:29
8:45
#19445
25.2M
25.20 mi14:39:593:45:538:583:19
9:37
#19364
Finish
26.22 mi14:48:473:54:418:578:48
8:38
#19278
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi16983573257321814064086408
10K6.21 mi3.10 mi17832-8496230-4986230-4981862366666666
15K9.32 mi3.11 mi17911-796273-436273-431814064086408
20K12.43 mi3.11 mi19037-11266927-6546927-6542182584928492
Half13.11 mi0.68 mi19006+316911+166911+161854766616661
25K15.53 mi2.42 mi19199-1937025-1147025-1142008675777577
30K18.64 mi3.11 mi20106-9077585-5607585-5602251390519051
20M20.00 mi1.36 mi19933+1737507+787507+781792366726672
21M21.00 mi1.00 mi20004-717570-637570-632079383388338
35K21.75 mi0.75 mi19917+877538+327538+321753466606660
23M23.00 mi1.25 mi19757+1607486+527486+521734166336633
24M24.00 mi1.00 mi19608+1497431+557431+551617260416041
40K24.85 mi0.85 mi19445+1637347+847347+841496855135513
25.2M25.20 mi0.35 mi19364+817313+347313+341529557365736
Finish26.22 mi1.02 mi19278+867285+287285+281712266276627

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

18140

Females

6408

F50-54

6408

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

18623

Females

6666

F50-54

6666

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

18140

Females

6408

F50-54

6408

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

21825

Females

8492

F50-54

8492

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

18547

Females

6661

F50-54

6661

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

20086

Females

7577

F50-54

7577

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

22513

Females

9051

F50-54

9051

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

17923

Females

6672

F50-54

6672

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

20793

Females

8338

F50-54

8338

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

17534

Females

6660

F50-54

6660

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

17341

Females

6633

F50-54

6633

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

16172

Females

6041

F50-54

6041

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14968

Females

5513

F50-54

5513

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15295

Females

5736

F50-54

5736

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

17122

Females

6627

F50-54

6627

Passing Analysis

Category:
Athletes Passed
1553
Passed By
3848
Net Change
-2295
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16983
5K → 10K80929-849#16983#17832
10K → 15K165244-79#17832#17911
15K → 20K331159-1126#17911#19037
20K → Half4716+31#19037#19006
Half → 25K115308-193#19006#19199
25K → 30K48955-907#19199#20106
30K → 20M20027+173#20106#19933
20M → 21M75146-71#19933#20004
21M → 35K969+87#20004#19917
35K → 23M17818+160#19917#19757
23M → 24M1578+149#19757#19608
24M → 40K1630+163#19608#19445
40K → 25.2M854+81#19445#19364
25.2M → Finish11125+86#19364#19278
TOTALS15533848-2295

Passing Charts

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