Greg Andersen

Bib: 17289M

CA

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Top 48%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M55-59)
#0 / 1491
Top 44%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
23:51
3.11 mi
Rank: #14324
Start5K
23:51 | 7:41/mi
10K
47:42
6.21 mi
Rank: #14394 (-70)
5K10K
23:51 | 7:41/mi
15K
1:11:20
9.32 mi
Rank: #14124 (+270)
10K15K
23:38 | 7:37/mi
20K
1:35:10
12.43 mi
Rank: #13928 (+196)
15K20K
23:50 | 7:41/mi
HALF
1:40:21
13.11 mi
Rank: #13920 (+8)
20KHALF
5:11 | 7:37/mi
25K
1:59:01
15.53 mi
Rank: #13743 (+177)
HALF25K
18:40 | 7:42/mi
30K
2:24:32
18.64 mi
Rank: #13951 (-208)
25K30K
25:31 | 8:13/mi
20M
2:35:54
20.00 mi
Rank: #14060 (-109)
30K20M
11:22 | 8:23/mi
21M
2:44:44
21.00 mi
Rank: #14103 (-43)
20M21M
8:50 | 8:50/mi
35K
2:50:42
21.75 mi
Rank: #14092 (+11)
21M35K
5:58 | 7:59/mi
23M
3:01:03
23.00 mi
Rank: #14073 (+19)
35K23M
10:21 | 8:17/mi
24M
3:09:07
24.00 mi
Rank: #14083 (-10)
23M24M
8:04 | 8:04/mi
40K
3:16:13
24.85 mi
Rank: #14096 (-13)
24M40K
7:06 | 8:19/mi
25.2M
3:19:22
25.20 mi
Rank: #14108 (-12)
40K25.2M
3:09 | 9:09/mi
FINISH
3:26:49
26.22 mi
Rank: #13959 (+149)
25.2MFINISH
7:27 | 7:19/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:40:21
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:46:28
Pace8:08 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:3123:517:4123:51
7:41
-
10K
6.21 mi11:29:2247:427:4123:51
7:41
0:00
15K
9.32 mi11:53:001:11:207:4023:38
7:37
-0:04
20K
12.43 mi12:16:501:35:107:4023:50
7:41
+0:04
HALF
13.11 mi12:22:011:40:217:405:11
7:37
-0:04
25K
15.53 mi12:40:411:59:017:4018:40
7:42
+0:05
30K
18.64 mi13:06:122:24:327:4625:31
8:13
+0:31
20M
20.00 mi13:17:342:35:547:4811:22
8:23
+0:10
21M
21.00 mi13:26:242:44:447:518:50
8:50
+0:27
35K
21.75 mi13:32:222:50:427:515:58
7:59
-0:51
23M
23.00 mi13:42:433:01:037:5310:21
8:17
+0:18
24M
24.00 mi13:50:473:09:077:538:04
8:04
-0:13
40K
24.85 mi13:57:533:16:137:547:06
8:19
+0:15
25.2M
25.20 mi14:01:023:19:227:553:09
9:09
+0:50
FINISH
26.22 mi14:08:293:26:497:547:27
7:19
-1:50

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

7:19 /mi

Average Pace

7:54 /mi

Slowest Pace

9:09 /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

2:06:28

61% of race

Time at Steady Pace

39:33

19% of race

Time at Slower Pace

40:48

20% of race

Average Pace: 7:53 /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 mi11:05:3123:517:4123:51
7:41
#14324
10K
6.21 mi11:29:2247:427:4123:51
7:41
#14394
15K
9.32 mi11:53:001:11:207:4023:38
7:37
#14124
20K
12.43 mi12:16:501:35:107:4023:50
7:41
#13928
HALF
13.11 mi12:22:011:40:217:405:11
7:37
#13920
25K
15.53 mi12:40:411:59:017:4018:40
7:42
#13743
30K
18.64 mi13:06:122:24:327:4625:31
8:13
#13951
20M
20.00 mi13:17:342:35:547:4811:22
8:23
#14060
21M
21.00 mi13:26:242:44:447:518:50
8:50
#14103
35K
21.75 mi13:32:222:50:427:515:58
7:59
#14092
23M
23.00 mi13:42:433:01:037:5310:21
8:17
#14073
24M
24.00 mi13:50:473:09:077:538:04
8:04
#14083
40K
24.85 mi13:57:533:16:137:547:06
8:19
#14096
25.2M
25.20 mi14:01:023:19:227:553:09
9:09
#14108
FINISH
26.22 mi14:08:293:26:497:547:27
7:19
#13959
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi143249998999813712(Top 47%)9673(Top 59%)9673(Top 649%)
10K6.21 mi3.10 mi14394-7010007-910007-914535(Top 50%)10053(Top 62%)10053(Top 674%)
15K9.32 mi3.11 mi14124+2709865+1429865+14213712(Top 47%)9673(Top 59%)9673(Top 649%)
20K12.43 mi3.11 mi13928+1969770+959770+9513463(Top 46%)9492(Top 58%)9492(Top 637%)
HALF13.11 mi0.68 mi13920+89764+69764+613847(Top 48%)9742(Top 60%)9742(Top 653%)
25K15.53 mi2.42 mi13743+1779672+929672+9213011(Top 45%)9227(Top 56%)9227(Top 619%)
30K18.64 mi3.11 mi13951-2089731-599731-5914991(Top 52%)9967(Top 61%)9967(Top 668%)
20M20.00 mi1.36 mi14060-1099746-159746-1515314(Top 53%)10002(Top 61%)10002(Top 671%)
21M21.00 mi1.00 mi14103-439735+119735+1115153(Top 52%)9877(Top 60%)9877(Top 662%)
35K21.75 mi0.75 mi14092+119715+209715+2014275(Top 49%)9441(Top 58%)9441(Top 633%)
23M23.00 mi1.25 mi14073+199680+359680+3514236(Top 49%)9351(Top 57%)9351(Top 627%)
24M24.00 mi1.00 mi14083-109666+149666+1414176(Top 49%)9230(Top 56%)9230(Top 619%)
40K24.85 mi0.85 mi14096-139637+299637+2914459(Top 50%)9274(Top 57%)9274(Top 622%)
25.2M25.20 mi0.35 mi14108-129635+29635+215380(Top 53%)9676(Top 59%)9676(Top 649%)
FINISH26.22 mi1.02 mi13959+1499550+859550+859963(Top 34%)7107(Top 43%)7107(Top 477%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21
+97ft-345ft

Overall

13712

Males

9673

M55-59

9673

5K→10K

3.1 - 6.2 mi

Top 50%
×5
+79ft-138ft

Overall

14535

Males

10053

M55-59

10053

10K→15K

6.2 - 9.3 mi

Top 47%
×3
+67ft-78ft

Overall

13712

Males

9673

M55-59

9673

15K→20K

9.3 - 12.4 mi

Top 46%
×5
+106ft-86ft

Overall

13463

Males

9492

M55-59

9492

20K→HALF

12.4 - 13.1 mi

Top 48%
×2
+19ft-37ft

Overall

13847

Males

9742

M55-59

9742

HALF→25K

13.1 - 15.5 mi

Top 45%
×4
+66ft-88ft

Overall

13011

Males

9227

M55-59

9227

25K→30K

15.5 - 18.6 mi

Top 52%
×9
+181ft-148ft

Overall

14991

Males

9967

M55-59

9967

30K→20M

18.6 - 20.0 mi

Top 53%
×5
+64ft-50ft

Overall

15314

Males

10002

M55-59

10002

20M→21M

20.0 - 21.0 mi

Top 52%
×8
+106ft-24ft

Overall

15153

Males

9877

M55-59

9877

21M→35K

21.0 - 21.8 mi

Top 49%
×7
+17ft-86ft

Overall

14275

Males

9441

M55-59

9441

35K→23M

21.8 - 23.0 mi

Top 49%
×5
+23ft-63ft

Overall

14236

Males

9351

M55-59

9351

23M→24M

23.0 - 24.0 mi

Top 49%
×6
+12ft-82ft

Overall

14176

Males

9230

M55-59

9230

24M→40K

24.0 - 24.9 mi

Top 50%
×1
+6ft-20ft

Overall

14459

Males

9274

M55-59

9274

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1
+13ft-16ft

Overall

15380

Males

9676

M55-59

9676

25.2M→FINISH

25.2 - 26.2 mi

Top 34%
×2
+22ft-21ft

Overall

9963

Males

7107

M55-59

7107

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1904
Passed By
1539
Net Change
+365
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14324
5K10K267337-70#14324#14394
10K15K34878+270#14394#14124
15K20K27074+196#14124#13928
20KHALF3325+8#13928#13920
HALF25K22346+177#13920#13743
25K30K127335-208#13743#13951
30K20M72181-109#13951#14060
20M21M85128-43#14060#14103
21M35K5746+11#14103#14092
35K23M10586+19#14092#14073
23M24M6878-10#14073#14083
24M40K6477-13#14083#14096
40K25.2M2032-12#14096#14108
25.2MFINISH16516+149#14108#13959
TOTALS19041539+365
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

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

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

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