Boston Marathon logo
BOSTON MARATHON 2023

Tamara Sutherland

Bib: 19604•F

VA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 46%
Masters (Masters Women)
#0 / 6539
Top 35%
Division (F45-49)
#0 / 1817
Top 41%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:54
Rank: #14138
Start → 5K
24:54 | 8:01/mi
10K· 6.21 mi
49:14
Rank: #13772 (+366)
5K → 10K
24:20 | 7:50/mi
15K· 9.32 mi
1:13:34
Rank: #13525 (+247)
10K → 15K
24:20 | 7:50/mi
20K· 12.43 mi
1:38:28
Rank: #13501 (+24)
15K → 20K
24:54 | 8:01/mi
Half· 13.11 mi
1:43:57
Rank: #13555 (-54)
20K → Half
5:29 | 8:02/mi
25K· 15.53 mi
2:03:52
Rank: #13668 (-113)
Half → 25K
19:55 | 8:13/mi
30K· 18.64 mi
2:30:54
Rank: #14071 (-403)
25K → 30K
27:02 | 8:42/mi
20M
2:43:04
Rank: #14240 (-169)
30K → 20M
12:10 | 8:57/mi
21M
2:53:01
Rank: #14478 (-238)
20M → 21M
9:57 | 9:57/mi
35K· 21.75 mi
2:59:35
Rank: #14566 (-88)
21M → 35K
6:34 | 8:47/mi
23M
3:11:04
Rank: #14722 (-156)
35K → 23M
11:29 | 9:10/mi
24M
3:20:05
Rank: #14820 (-98)
23M → 24M
9:01 | 9:01/mi
40K· 24.85 mi
3:28:23
Rank: #15003 (-183)
24M → 40K
8:18 | 9:42/mi
25.2M
3:32:17
Rank: #15161 (-158)
40K → 25.2M
3:54 | 11:19/mi
Finish· 26.22 mi
3:42:51
Rank: #15657 (-496)
25.2M → Finish
10:34 | 10:22/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:57
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:58:54
Pace9:04 /mi
📊Positive Split: 14.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:3624:548:0124:54
8:01
-
10K
6.21 mi11:40:5649:147:5524:20
7:50
-0:11
15K
9.32 mi12:05:161:13:347:5424:20
7:50
0:00
20K
12.43 mi12:30:101:38:287:5524:54
8:01
+0:11
Half
13.11 mi12:35:391:43:577:565:29
8:02
+0:01
25K
15.53 mi12:55:342:03:527:5819:55
8:13
+0:11
30K
18.64 mi13:22:362:30:548:0627:02
8:42
+0:29
20M
20.00 mi13:34:462:43:048:0912:10
8:57
+0:15
21M
21.00 mi13:44:432:53:018:149:57
9:57
+1:00
35K
21.75 mi13:51:172:59:358:156:34
8:47
-1:10
23M
23.00 mi14:02:463:11:048:1811:29
9:10
+0:23
24M
24.00 mi14:11:473:20:058:209:01
9:01
-0:09
40K
24.85 mi14:20:053:28:238:238:18
9:42
+0:41
25.2M
25.20 mi14:23:593:32:178:253:54
11:19
+1:37
Finish
26.22 mi14:34:333:42:518:3010:34
10:22
-0:57

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

7:50 /mi

Average Pace

8:30 /mi

Slowest Pace

11:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:52

56% of race

Time at Steady Pace

1:06:16

30% of race

Time at Slower Pace

32:43

15% of race

Average Pace: 8:30 /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 mi11:16:3624:548:0124:54
8:01
#14138
10K
6.21 mi11:40:5649:147:5524:20
7:50
#13772
15K
9.32 mi12:05:161:13:347:5424:20
7:50
#13525
20K
12.43 mi12:30:101:38:287:5524:54
8:01
#13501
Half
13.11 mi12:35:391:43:577:565:29
8:02
#13555
25K
15.53 mi12:55:342:03:527:5819:55
8:13
#13668
30K
18.64 mi13:22:362:30:548:0627:02
8:42
#14071
20M
20.00 mi13:34:462:43:048:0912:10
8:57
#14240
21M
21.00 mi13:44:432:53:018:149:57
9:57
#14478
35K
21.75 mi13:51:172:59:358:156:34
8:47
#14566
23M
23.00 mi14:02:463:11:048:1811:29
9:10
#14722
24M
24.00 mi14:11:473:20:058:209:01
9:01
#14820
40K
24.85 mi14:20:053:28:238:238:18
9:42
#15003
25.2M
25.20 mi14:23:593:32:178:253:54
11:19
#15161
Finish
26.22 mi14:34:333:42:518:3010:34
10:22
#15657
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi141384116411613006(Top 49%)3484(Top 30%)3484(Top 192%)
10K6.21 mi3.10 mi13772+3663911+2053911+20513430(Top 50%)3680(Top 32%)3680(Top 203%)
15K9.32 mi3.11 mi13525+2473769+1423769+14213006(Top 49%)3484(Top 30%)3484(Top 192%)
20K12.43 mi3.11 mi13501+243784-153784-1513581(Top 51%)3867(Top 34%)3867(Top 213%)
Half13.11 mi0.68 mi13555-543811-273811-2714745(Top 55%)4541(Top 40%)4541(Top 250%)
25K15.53 mi2.42 mi13668-1133913-1023913-10214365(Top 54%)4436(Top 39%)4436(Top 244%)
30K18.64 mi3.11 mi14071-4034191-2784191-27815523(Top 58%)5229(Top 46%)5229(Top 288%)
20M20.00 mi1.36 mi14240-1694319-1284319-12816289(Top 61%)5738(Top 50%)5738(Top 316%)
21M21.00 mi1.00 mi14478-2384481-1624481-16217866(Top 67%)6674(Top 58%)6674(Top 367%)
35K21.75 mi0.75 mi14566-884544-634544-6316843(Top 63%)6187(Top 54%)6187(Top 341%)
23M23.00 mi1.25 mi14722-1564668-1244668-12416913(Top 64%)6239(Top 55%)6239(Top 343%)
24M24.00 mi1.00 mi14820-984744-764744-7617318(Top 65%)6524(Top 57%)6524(Top 359%)
40K24.85 mi0.85 mi15003-1834878-1344878-13419050(Top 72%)7520(Top 66%)7520(Top 414%)
25.2M25.20 mi0.35 mi15161-1584984-1064984-10621140(Top 79%)8662(Top 76%)8662(Top 477%)
Finish26.22 mi1.02 mi15657-4965285-3015285-30122727(Top 85%)9512(Top 83%)9512(Top 524%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

13006

Females

3484

F45-49

3484

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

13430

Females

3680

F45-49

3680

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

13006

Females

3484

F45-49

3484

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13581

Females

3867

F45-49

3867

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

14745

Females

4541

F45-49

4541

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

14365

Females

4436

F45-49

4436

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

15523

Females

5229

F45-49

5229

30K→20M

18.6 - 20.0 mi

Top 61%
×5stories
+64ft-50ft

Overall

16289

Females

5738

F45-49

5738

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

17866

Females

6674

F45-49

6674

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

16843

Females

6187

F45-49

6187

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

16913

Females

6239

F45-49

6239

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

17318

Females

6524

F45-49

6524

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19050

Females

7520

F45-49

7520

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

21140

Females

8662

F45-49

8662

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2stories
+22ft-21ft

Overall

22727

Females

9512

F45-49

9512

Passing Analysis

Category:
Athletes Passed
1460
Passed By
2979
Net Change
-1519
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14138
5K → 10K515149+366#14138#13772
10K → 15K33588+247#13772#13525
15K → 20K199175+24#13525#13501
20K → Half1569-54#13501#13555
Half → 25K96209-113#13555#13668
25K → 30K90493-403#13668#14071
30K → 20M44213-169#14071#14240
20M → 21M29267-238#14240#14478
21M → 35K16104-88#14478#14566
35K → 23M37193-156#14566#14722
23M → 24M43141-98#14722#14820
24M → 40K24207-183#14820#15003
40K → 25.2M8166-158#15003#15161
25.2M → Finish9505-496#15161#15657
TOTALS14602979-1519
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing