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BOSTON MARATHON 2025

Tamara Sutherland

Bib: 22854•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 48%
Masters (Masters Women)
#0 / 6759
Top 36%
Division (F50-54)
#0 / 1303
Top 30%
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
8:02/mi
24:58
↑ 97↓ 3451.5%
10K· 6.21 mi
8:02/mi
49:56
↑ 79↓ 1380.4%
15K· 9.32 mi
8:08/mi
1:15:12
↑ 67↓ 78
20K· 12.43 mi
8:12/mi
1:40:41
↑ 106↓ 860.1%
Half· 13.11 mi
8:05/mi
1:46:12
↑ 19↓ 370.5%
25K· 15.53 mi
8:38/mi
2:07:09
↑ 66↓ 880.2%
30K· 18.64 mi
8:55/mi
2:34:50
↑ 181↓ 1480.2%
20M
8:40/mi
2:46:37
↑ 64↓ 500.2%
21M
9:17/mi
2:55:54
↑ 106↓ 241.6%
35K· 21.75 mi
8:24/mi
3:02:11
↑ 17↓ 861.7%
23M
10:22/mi
3:15:10
↑ 23↓ 630.6%
24M
8:33/mi
3:23:43
↓ 821.3%
40K· 24.85 mi
8:50/mi
3:31:16
↓ 200.3%
25.2M
9:49/mi
3:34:39
↑ 13↓ 160.2%
Finish· 26.22 mi
8:29/mi
3:43:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:12
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time1:57:06
Pace8:56 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:0424:588:0224:58
8:02
-
10K
6.21 mi11:46:0249:568:0224:58
8:02
0:00
15K
9.32 mi12:11:181:15:128:0425:16
8:08
+0:06
20K
12.43 mi12:36:471:40:418:0625:29
8:12
+0:04
Half
13.11 mi12:42:181:46:128:065:31
8:05
-0:07
25K
15.53 mi13:03:152:07:098:1120:57
8:38
+0:33
30K
18.64 mi13:30:562:34:508:1827:41
8:55
+0:17
20M
20.00 mi13:42:432:46:378:2011:47
8:40
-0:15
21M
21.00 mi13:52:002:55:548:239:17
9:17
+0:37
35K
21.75 mi13:58:173:02:118:236:17
8:24
-0:53
23M
23.00 mi14:11:163:15:108:2912:59
10:22
+1:58
24M
24.00 mi14:19:493:23:438:298:33
8:33
-1:49
40K
24.85 mi14:27:223:31:168:307:33
8:50
+0:17
25.2M
25.20 mi14:30:453:34:398:313:23
9:49
+0:59
Finish
26.22 mi14:39:243:43:188:318:39
8:29
-1:20

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

8:02 /mi

Average Pace

8:31 /mi

Slowest Pace

10:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:12

48% of race

Time at Steady Pace

1:03:46

29% of race

Time at Slower Pace

53:20

24% of race

Average Pace: 8:31 /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 mi11:21:0424:588:0224:58
8:02
#16884
10K
6.21 mi11:46:0249:568:0224:58
8:02
#16807
15K
9.32 mi12:11:181:15:128:0425:16
8:08
#16838
20K
12.43 mi12:36:471:40:418:0625:29
8:12
#16695
Half
13.11 mi12:42:181:46:128:065:31
8:05
#16681
25K
15.53 mi13:03:152:07:098:1120:57
8:38
#16869
30K
18.64 mi13:30:562:34:508:1827:41
8:55
#16868
20M
20.00 mi13:42:432:46:378:2011:47
8:40
#16709
21M
21.00 mi13:52:002:55:548:239:17
9:17
#16558
35K
21.75 mi13:58:173:02:118:236:17
8:24
#16465
23M
23.00 mi14:11:163:15:108:2912:59
10:22
#16919
24M
24.00 mi14:19:493:23:438:298:33
8:33
#16817
40K
24.85 mi14:27:223:31:168:307:33
8:50
#16741
25.2M
25.20 mi14:30:453:34:398:313:23
9:49
#16733
Finish
26.22 mi14:39:243:43:188:318:39
8:29
#16701
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi168845677567716978(Top 60%)5722(Top 47%)5722(Top 439%)
10K6.21 mi3.10 mi16807+775620+575620+5716754(Top 59%)5568(Top 46%)5568(Top 427%)
15K9.32 mi3.11 mi16838-315629-95629-916978(Top 60%)5722(Top 47%)5722(Top 439%)
20K12.43 mi3.11 mi16695+1435551+785551+7816332(Top 57%)5404(Top 44%)5404(Top 415%)
Half13.11 mi0.68 mi16681+145549+25549+216582(Top 58%)5528(Top 45%)5528(Top 424%)
25K15.53 mi2.42 mi16869-1885686-1375686-13718052(Top 64%)6454(Top 53%)6454(Top 495%)
30K18.64 mi3.11 mi16868+15736-505736-5017215(Top 61%)6141(Top 50%)6141(Top 471%)
20M20.00 mi1.36 mi16709+1595667+695667+6914903(Top 52%)4997(Top 41%)4997(Top 383%)
21M21.00 mi1.00 mi16558+1515614+535614+5315098(Top 53%)5231(Top 43%)5231(Top 401%)
35K21.75 mi0.75 mi16465+935582+325582+3214900(Top 52%)5189(Top 42%)5189(Top 398%)
23M23.00 mi1.25 mi16919-4545890-3085890-30821646(Top 76%)8887(Top 73%)8887(Top 682%)
24M24.00 mi1.00 mi16817+1025850+405850+4014854(Top 52%)5309(Top 43%)5309(Top 407%)
40K24.85 mi0.85 mi16741+765838+125838+1215379(Top 54%)5736(Top 47%)5736(Top 440%)
25.2M25.20 mi0.35 mi16733+85847-95847-916195(Top 57%)6180(Top 51%)6180(Top 474%)
Finish26.22 mi1.02 mi16701+325850-35850-316170(Top 57%)6114(Top 50%)6114(Top 469%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

16978

Females

5722

F50-54

5722

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

16754

Females

5568

F50-54

5568

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

16978

Females

5722

F50-54

5722

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

16332

Females

5404

F50-54

5404

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

16582

Females

5528

F50-54

5528

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

18052

Females

6454

F50-54

6454

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

17215

Females

6141

F50-54

6141

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

14903

Females

4997

F50-54

4997

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

15098

Females

5231

F50-54

5231

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

14900

Females

5189

F50-54

5189

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

21646

Females

8887

F50-54

8887

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

14854

Females

5309

F50-54

5309

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15379

Females

5736

F50-54

5736

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

16195

Females

6180

F50-54

6180

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

16170

Females

6114

F50-54

6114

Passing Analysis

Category:
Athletes Passed
2050
Passed By
1867
Net Change
+183
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16884
5K → 10K334257+77#16884#16807
10K → 15K204235-31#16807#16838
15K → 20K272129+143#16838#16695
20K → Half4329+14#16695#16681
Half → 25K100288-188#16681#16869
25K → 30K218217+1#16869#16868
30K → 20M19132+159#16868#16709
20M → 21M17827+151#16709#16558
21M → 35K11421+93#16558#16465
35K → 23M30484-454#16465#16919
23M → 24M12624+102#16919#16817
24M → 40K11741+76#16817#16741
40K → 25.2M3527+8#16741#16733
25.2M → Finish8856+32#16733#16701
TOTALS20501867+183
📊

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