Boston Marathon logo
BOSTON MARATHON 2025

Erica Shangraw

Bib: 7697•F

IL

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 25%
Gender (Female)
#0 / 12228
Top 8%
Division (F18-39)
#0 / 5469
Top 16%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
21:41
Rank: #7672
Start → 5K
21:41 | 6:59/mi
10K· 6.21 mi
43:17
Rank: #7636 (+36)
5K → 10K
21:36 | 6:57/mi
15K· 9.32 mi
1:06:05
Rank: #8406 (-770)
10K → 15K
22:48 | 7:20/mi
20K· 12.43 mi
1:28:11
Rank: #8162 (+244)
15K → 20K
22:06 | 7:07/mi
Half· 13.11 mi
1:32:56
Rank: #8101 (+61)
20K → Half
4:45 | 6:58/mi
25K· 15.53 mi
1:50:16
Rank: #7914 (+187)
Half → 25K
17:20 | 7:09/mi
30K· 18.64 mi
2:13:31
Rank: #7770 (+144)
25K → 30K
23:15 | 7:29/mi
20M
2:23:34
Rank: #7592 (+178)
30K → 20M
10:03 | 7:24/mi
21M
2:31:21
Rank: #7428 (+164)
20M → 21M
7:47 | 7:47/mi
35K· 21.75 mi
2:36:44
Rank: #7363 (+65)
21M → 35K
5:23 | 7:12/mi
23M
2:46:12
Rank: #7292 (+71)
35K → 23M
9:28 | 7:34/mi
24M
2:53:33
Rank: #7211 (+81)
23M → 24M
7:21 | 7:21/mi
40K· 24.85 mi
3:00:05
Rank: #7184 (+27)
24M → 40K
6:32 | 7:38/mi
25.2M
3:02:54
Rank: #7165 (+19)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:09:54
Rank: #7039 (+126)
25.2M → Finish
7:00 | 6:52/mi

Course Map & Elevation

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
Time1:32:56
Pace7:05 /mi
2nd Half
Distance13.11 mi
Time1:36:58
Pace7:24 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:1221:416:5921:41
6:59
-
10K
6.21 mi10:50:4843:176:5821:36
6:57
-0:02
15K
9.32 mi11:13:361:06:057:0522:48
7:20
+0:23
20K
12.43 mi11:35:421:28:117:0622:06
7:07
-0:13
Half
13.11 mi11:40:271:32:567:054:45
6:58
-0:09
25K
15.53 mi11:57:471:50:167:0617:20
7:09
+0:11
30K
18.64 mi12:21:022:13:317:1023:15
7:29
+0:20
20M
20.00 mi12:31:052:23:347:1110:03
7:24
-0:05
21M
21.00 mi12:38:522:31:217:127:47
7:47
+0:23
35K
21.75 mi12:44:152:36:447:125:23
7:12
-0:35
23M
23.00 mi12:53:432:46:127:149:28
7:34
+0:22
24M
24.00 mi13:01:042:53:337:147:21
7:21
-0:13
40K
24.85 mi13:07:363:00:057:156:32
7:38
+0:17
25.2M
25.20 mi13:10:253:02:547:152:49
8:10
+0:32
Finish
26.22 mi13:17:253:09:547:157:00
6:52
-1:18

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

6:52 /mi

Average Pace

7:15 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:43:18

86% of race

Time at Steady Pace

23:47

13% of race

Time at Slower Pace

2:49

1% of race

Average Pace: 7:15 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:29:1221:416:5921:41
6:59
#7672
10K
6.21 mi10:50:4843:176:5821:36
6:57
#7636
15K
9.32 mi11:13:361:06:057:0522:48
7:20
#8406
20K
12.43 mi11:35:421:28:117:0622:06
7:07
#8162
Half
13.11 mi11:40:271:32:567:054:45
6:58
#8101
25K
15.53 mi11:57:471:50:167:0617:20
7:09
#7914
30K
18.64 mi12:21:022:13:317:1023:15
7:29
#7770
20M
20.00 mi12:31:052:23:347:1110:03
7:24
#7592
21M
21.00 mi12:38:522:31:217:127:47
7:47
#7428
35K
21.75 mi12:44:152:36:447:125:23
7:12
#7363
23M
23.00 mi12:53:432:46:127:149:28
7:34
#7292
24M
24.00 mi13:01:042:53:337:147:21
7:21
#7211
40K
24.85 mi13:07:363:00:057:156:32
7:38
#7184
25.2M
25.20 mi13:10:253:02:547:152:49
8:10
#7165
Finish
26.22 mi13:17:253:09:547:157:00
6:52
#7039
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi767287687610313(Top 36%)2024(Top 17%)2024(Top 37%)
10K6.21 mi3.10 mi7636+36868+8868+87632(Top 27%)879(Top 7%)879(Top 16%)
15K9.32 mi3.11 mi8406-7701160-2921160-29210313(Top 36%)2024(Top 17%)2024(Top 37%)
20K12.43 mi3.11 mi8162+2441084+761084+767617(Top 27%)975(Top 8%)975(Top 18%)
Half13.11 mi0.68 mi8101+611067+171067+177375(Top 26%)873(Top 7%)873(Top 16%)
25K15.53 mi2.42 mi7914+1871015+521015+527282(Top 26%)957(Top 8%)957(Top 17%)
30K18.64 mi3.11 mi7770+1441016-11016-17642(Top 27%)1245(Top 10%)1245(Top 23%)
20M20.00 mi1.36 mi7592+178989+27989+276379(Top 22%)919(Top 8%)919(Top 17%)
21M21.00 mi1.00 mi7428+164969+20969+206123(Top 22%)968(Top 8%)968(Top 18%)
35K21.75 mi0.75 mi7363+65971-2971-26606(Top 23%)1130(Top 9%)1130(Top 21%)
23M23.00 mi1.25 mi7292+71989-18989-187003(Top 25%)1395(Top 11%)1395(Top 26%)
24M24.00 mi1.00 mi7211+81992-3992-36741(Top 24%)1350(Top 11%)1350(Top 25%)
40K24.85 mi0.85 mi7184+271008-161008-167718(Top 27%)1844(Top 15%)1844(Top 34%)
25.2M25.20 mi0.35 mi7165+191017-91017-96903(Top 24%)1575(Top 13%)1575(Top 29%)
Finish26.22 mi1.02 mi7039+1261003+141003+144930(Top 17%)850(Top 7%)850(Top 16%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

10313

Females

2024

F18-39

2024

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7632

Females

879

F18-39

879

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

10313

Females

2024

F18-39

2024

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7617

Females

975

F18-39

975

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

7375

Females

873

F18-39

873

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

7282

Females

957

F18-39

957

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7642

Females

1245

F18-39

1245

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

6379

Females

919

F18-39

919

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

6123

Females

968

F18-39

968

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6606

Females

1130

F18-39

1130

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

7003

Females

1395

F18-39

1395

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6741

Females

1350

F18-39

1350

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7718

Females

1844

F18-39

1844

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6903

Females

1575

F18-39

1575

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4930

Females

850

F18-39

850

Passing Analysis

Category:
Athletes Passed
2008
Passed By
1375
Net Change
+633
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7672
5K → 10K214178+36#7672#7636
10K → 15K23793-770#7636#8406
15K → 20K29248+244#8406#8162
20K → Half665+61#8162#8101
Half → 25K22235+187#8101#7914
25K → 30K254110+144#7914#7770
30K → 20M19820+178#7770#7592
20M → 21M17713+164#7592#7428
21M → 35K8419+65#7428#7363
35K → 23M12251+71#7363#7292
23M → 24M11433+81#7292#7211
24M → 40K6639+27#7211#7184
40K → 25.2M3819+19#7184#7165
25.2M → Finish13812+126#7165#7039
TOTALS20081375+633
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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